4. The reciprocal value of the difference between two numbers is $\frac{3}{4}$. If the subtrahend is equal to $\frac{5}{18}$, what is the minuend?
4. Since the reciprocal value of the difference of two numbers is $\frac{3}{4}$, it means that the difference of the two sought numbers is $\frac{4}{3}$.

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According to the conditions of the problem, we have:

$x-\frac{5}{18}=\frac{4}{3}$

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$x=\frac{4}{3}+\frac{5}{18}$

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$x=\frac{29}{18}=1 \frac{11}{18}$

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