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Finding the Fourth Proportional to 24,516.96, 36,789.44 and 20,406.76

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Solution

The fourth proportional to 24,516.96, 36,789.44 and 20,406.76 is: 30,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,516.96 : 36,789.44 = 20,406.76 : x
  2. Step 2: Convert to fraction form
    24,516.96/36,789.44 = 20,406.76/x
  3. Step 3: Cross multiply
    24,516.96x = 36,789.44 × 20,406.76
  4. Step 4: Simplify right side
    24,516.96x = 750,753,272.61
  5. Step 5: Solve for x
    x = 750,753,272.61/24,516.96
  6. Step 6: Final answer
    x = 30,621.79

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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.