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Finding the Fourth Proportional to 12,252.09, 18,371.42 and 5,674.65

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Solution

The fourth proportional to 12,252.09, 18,371.42 and 5,674.65 is: 8,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.09 : 18,371.42 = 5,674.65 : x
  2. Step 2: Convert to fraction form
    12,252.09/18,371.42 = 5,674.65/x
  3. Step 3: Cross multiply
    12,252.09x = 18,371.42 × 5,674.65
  4. Step 4: Simplify right side
    12,252.09x = 104,251,350.13
  5. Step 5: Solve for x
    x = 104,251,350.13/12,252.09
  6. Step 6: Final answer
    x = 8,508.86

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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.