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Finding the Fourth Proportional to 24,400.72, 36,659.40 and 15,652.72

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Solution

The fourth proportional to 24,400.72, 36,659.40 and 15,652.72 is: 23,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,400.72 : 36,659.40 = 15,652.72 : x
  2. Step 2: Convert to fraction form
    24,400.72/36,659.40 = 15,652.72/x
  3. Step 3: Cross multiply
    24,400.72x = 36,659.40 × 15,652.72
  4. Step 4: Simplify right side
    24,400.72x = 573,819,323.57
  5. Step 5: Solve for x
    x = 573,819,323.57/24,400.72
  6. Step 6: Final answer
    x = 23,516.49

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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.