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Finding the Fourth Proportional to 61,250.80, 84,520.92 and 34,391.20

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Solution

The fourth proportional to 61,250.80, 84,520.92 and 34,391.20 is: 47,456.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,250.80 : 84,520.92 = 34,391.20 : x
  2. Step 2: Convert to fraction form
    61,250.80/84,520.92 = 34,391.20/x
  3. Step 3: Cross multiply
    61,250.80x = 84,520.92 × 34,391.20
  4. Step 4: Simplify right side
    61,250.80x = 2,906,775,863.90
  5. Step 5: Solve for x
    x = 2,906,775,863.90/61,250.80
  6. Step 6: Final answer
    x = 47,456.95

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1.5x scale

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.