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Finding the Fourth Proportional to 54,403.92, 81,529.92 and 29,390.04

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Solution

The fourth proportional to 54,403.92, 81,529.92 and 29,390.04 is: 44,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.92 : 81,529.92 = 29,390.04 : x
  2. Step 2: Convert to fraction form
    54,403.92/81,529.92 = 29,390.04/x
  3. Step 3: Cross multiply
    54,403.92x = 81,529.92 × 29,390.04
  4. Step 4: Simplify right side
    54,403.92x = 2,396,167,610.00
  5. Step 5: Solve for x
    x = 2,396,167,610.00/54,403.92
  6. Step 6: Final answer
    x = 44,044.02

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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.