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Finding the Fourth Proportional to 24,869.19, 34,319.49 and 13,691.19

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Solution

The fourth proportional to 24,869.19, 34,319.49 and 13,691.19 is: 18,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,869.19 : 34,319.49 = 13,691.19 : x
  2. Step 2: Convert to fraction form
    24,869.19/34,319.49 = 13,691.19/x
  3. Step 3: Cross multiply
    24,869.19x = 34,319.49 × 13,691.19
  4. Step 4: Simplify right side
    24,869.19x = 469,874,658.29
  5. Step 5: Solve for x
    x = 469,874,658.29/24,869.19
  6. Step 6: Final answer
    x = 18,893.85

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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.