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Finding the Fourth Proportional to 73,737.30, 110,591.10 and 21,132.66

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Solution

The fourth proportional to 73,737.30, 110,591.10 and 21,132.66 is: 31,694.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,737.30 : 110,591.10 = 21,132.66 : x
  2. Step 2: Convert to fraction form
    73,737.30/110,591.10 = 21,132.66/x
  3. Step 3: Cross multiply
    73,737.30x = 110,591.10 × 21,132.66
  4. Step 4: Simplify right side
    73,737.30x = 2,337,084,115.33
  5. Step 5: Solve for x
    x = 2,337,084,115.33/73,737.30
  6. Step 6: Final answer
    x = 31,694.73

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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.