To find the common difference in the given arithmetic sequence \( \frac{3}{4}, \frac{6}{4}, \frac{9}{4}, \ldots \), you subtract the first term from the second term:
\[ \text{Common difference} = \frac{6}{4} - \frac{3}{4} = \frac{6 - 3}{4} = \frac{3}{4} \]
You can check with the next pair of terms:
\[ \frac{9}{4} - \frac{6}{4} = \frac{9 - 6}{4} = \frac{3}{4} \]
Thus, the common difference in the arithmetic sequence is \(\frac{3}{4}\).
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