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Finding the Fourth Proportional to 8,616.57, 12,925.17 and 2,377.08

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Solution

The fourth proportional to 8,616.57, 12,925.17 and 2,377.08 is: 3,565.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.57 : 12,925.17 = 2,377.08 : x
  2. Step 2: Convert to fraction form
    8,616.57/12,925.17 = 2,377.08/x
  3. Step 3: Cross multiply
    8,616.57x = 12,925.17 × 2,377.08
  4. Step 4: Simplify right side
    8,616.57x = 30,724,163.10
  5. Step 5: Solve for x
    x = 30,724,163.10/8,616.57
  6. Step 6: Final answer
    x = 3,565.71

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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.