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Finding the Fourth Proportional to 29,489.52, 44,251.56 and 21,160.56

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Solution

The fourth proportional to 29,489.52, 44,251.56 and 21,160.56 is: 31,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.52 : 44,251.56 = 21,160.56 : x
  2. Step 2: Convert to fraction form
    29,489.52/44,251.56 = 21,160.56/x
  3. Step 3: Cross multiply
    29,489.52x = 44,251.56 × 21,160.56
  4. Step 4: Simplify right side
    29,489.52x = 936,387,790.47
  5. Step 5: Solve for x
    x = 936,387,790.47/29,489.52
  6. Step 6: Final answer
    x = 31,753.24

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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.