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Finding the Fourth Proportional to 57,977.30, 86,901.15 and 24,691.70

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Solution

The fourth proportional to 57,977.30, 86,901.15 and 24,691.70 is: 37,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,977.30 : 86,901.15 = 24,691.70 : x
  2. Step 2: Convert to fraction form
    57,977.30/86,901.15 = 24,691.70/x
  3. Step 3: Cross multiply
    57,977.30x = 86,901.15 × 24,691.70
  4. Step 4: Simplify right side
    57,977.30x = 2,145,737,125.46
  5. Step 5: Solve for x
    x = 2,145,737,125.46/57,977.30
  6. Step 6: Final answer
    x = 37,009.95

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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.