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Finding the Fourth Proportional to 8,269.39, 12,399.83 and 2,425.24

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Solution

The fourth proportional to 8,269.39, 12,399.83 and 2,425.24 is: 3,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.39 : 12,399.83 = 2,425.24 : x
  2. Step 2: Convert to fraction form
    8,269.39/12,399.83 = 2,425.24/x
  3. Step 3: Cross multiply
    8,269.39x = 12,399.83 × 2,425.24
  4. Step 4: Simplify right side
    8,269.39x = 30,072,551.58
  5. Step 5: Solve for x
    x = 30,072,551.58/8,269.39
  6. Step 6: Final answer
    x = 3,636.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.