Finding the Fourth Proportional to 57,880.31, 79,829.75 and 38,754
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Solution
The fourth proportional to 57,880.31, 79,829.75 and 38,754 is: 53,450.34
Step by Step Solution
- Step 1: Write the proportion equation
57,880.31 : 79,829.75 = 38,754 : x - Step 2: Convert to fraction form
57,880.31/79,829.75 = 38,754/x - Step 3: Cross multiply
57,880.31x = 79,829.75 × 38,754 - Step 4: Simplify right side
57,880.31x = 3,093,722,228.39 - Step 5: Solve for x
x = 3,093,722,228.39/57,880.31 - Step 6: Final answer
x = 53,450.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.