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Finding the Fourth Proportional to 63,700.70, 95,553.24 and 28,640.48

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Solution

The fourth proportional to 63,700.70, 95,553.24 and 28,640.48 is: 42,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,700.70 : 95,553.24 = 28,640.48 : x
  2. Step 2: Convert to fraction form
    63,700.70/95,553.24 = 28,640.48/x
  3. Step 3: Cross multiply
    63,700.70x = 95,553.24 × 28,640.48
  4. Step 4: Simplify right side
    63,700.70x = 2,736,690,659.16
  5. Step 5: Solve for x
    x = 2,736,690,659.16/63,700.70
  6. Step 6: Final answer
    x = 42,961.70

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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.