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Finding the Fourth Proportional to 24,672.60, 36,984.60 and 12,194.55

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Solution

The fourth proportional to 24,672.60, 36,984.60 and 12,194.55 is: 18,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,672.60 : 36,984.60 = 12,194.55 : x
  2. Step 2: Convert to fraction form
    24,672.60/36,984.60 = 12,194.55/x
  3. Step 3: Cross multiply
    24,672.60x = 36,984.60 × 12,194.55
  4. Step 4: Simplify right side
    24,672.60x = 451,010,553.93
  5. Step 5: Solve for x
    x = 451,010,553.93/24,672.60
  6. Step 6: Final answer
    x = 18,279.81

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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.