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Finding the Fourth Proportional to 40,468.59, 60,704.70 and 15,174.09

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Solution

The fourth proportional to 40,468.59, 60,704.70 and 15,174.09 is: 22,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,468.59 : 60,704.70 = 15,174.09 : x
  2. Step 2: Convert to fraction form
    40,468.59/60,704.70 = 15,174.09/x
  3. Step 3: Cross multiply
    40,468.59x = 60,704.70 × 15,174.09
  4. Step 4: Simplify right side
    40,468.59x = 921,138,581.22
  5. Step 5: Solve for x
    x = 921,138,581.22/40,468.59
  6. Step 6: Final answer
    x = 22,761.82

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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.