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Finding the Fourth Proportional to 23,691.98, 32,694.92 and 13,081.68

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Solution

The fourth proportional to 23,691.98, 32,694.92 and 13,081.68 is: 18,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691.98 : 32,694.92 = 13,081.68 : x
  2. Step 2: Convert to fraction form
    23,691.98/32,694.92 = 13,081.68/x
  3. Step 3: Cross multiply
    23,691.98x = 32,694.92 × 13,081.68
  4. Step 4: Simplify right side
    23,691.98x = 427,704,481.07
  5. Step 5: Solve for x
    x = 427,704,481.07/23,691.98
  6. Step 6: Final answer
    x = 18,052.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.