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Finding the Fourth Proportional to 39,229.47, 58,844.07 and 11,149.56

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Solution

The fourth proportional to 39,229.47, 58,844.07 and 11,149.56 is: 16,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229.47 : 58,844.07 = 11,149.56 : x
  2. Step 2: Convert to fraction form
    39,229.47/58,844.07 = 11,149.56/x
  3. Step 3: Cross multiply
    39,229.47x = 58,844.07 × 11,149.56
  4. Step 4: Simplify right side
    39,229.47x = 656,085,489.11
  5. Step 5: Solve for x
    x = 656,085,489.11/39,229.47
  6. Step 6: Final answer
    x = 16,724.30

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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.