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Finding the Fourth Proportional to 83,737.54, 125,436.54 and 38,694.82

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Solution

The fourth proportional to 83,737.54, 125,436.54 and 38,694.82 is: 57,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,737.54 : 125,436.54 = 38,694.82 : x
  2. Step 2: Convert to fraction form
    83,737.54/125,436.54 = 38,694.82/x
  3. Step 3: Cross multiply
    83,737.54x = 125,436.54 × 38,694.82
  4. Step 4: Simplify right side
    83,737.54x = 4,853,744,336.72
  5. Step 5: Solve for x
    x = 4,853,744,336.72/83,737.54
  6. Step 6: Final answer
    x = 57,963.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.