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Finding the Fourth Proportional to 24,245.90, 36,372.48 and 8,659.88

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Solution

The fourth proportional to 24,245.90, 36,372.48 and 8,659.88 is: 12,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,245.90 : 36,372.48 = 8,659.88 : x
  2. Step 2: Convert to fraction form
    24,245.90/36,372.48 = 8,659.88/x
  3. Step 3: Cross multiply
    24,245.90x = 36,372.48 × 8,659.88
  4. Step 4: Simplify right side
    24,245.90x = 314,981,312.10
  5. Step 5: Solve for x
    x = 314,981,312.10/24,245.90
  6. Step 6: Final answer
    x = 12,991.12

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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.