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Finding the Fourth Proportional to 41,663.60, 62,463.08 and 20,589.12

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Solution

The fourth proportional to 41,663.60, 62,463.08 and 20,589.12 is: 30,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,663.60 : 62,463.08 = 20,589.12 : x
  2. Step 2: Convert to fraction form
    41,663.60/62,463.08 = 20,589.12/x
  3. Step 3: Cross multiply
    41,663.60x = 62,463.08 × 20,589.12
  4. Step 4: Simplify right side
    41,663.60x = 1,286,059,901.16
  5. Step 5: Solve for x
    x = 1,286,059,901.16/41,663.60
  6. Step 6: Final answer
    x = 30,867.71

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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.