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Finding the Fourth Proportional to 71,197.52, 98,250.12 and 38,932.92

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Solution

The fourth proportional to 71,197.52, 98,250.12 and 38,932.92 is: 53,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,197.52 : 98,250.12 = 38,932.92 : x
  2. Step 2: Convert to fraction form
    71,197.52/98,250.12 = 38,932.92/x
  3. Step 3: Cross multiply
    71,197.52x = 98,250.12 × 38,932.92
  4. Step 4: Simplify right side
    71,197.52x = 3,825,164,061.95
  5. Step 5: Solve for x
    x = 3,825,164,061.95/71,197.52
  6. Step 6: Final answer
    x = 53,726.09

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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.