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Finding the Fourth Proportional to 16,008.71, 22,091.64 and 8,839.19

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Solution

The fourth proportional to 16,008.71, 22,091.64 and 8,839.19 is: 12,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,008.71 : 22,091.64 = 8,839.19 : x
  2. Step 2: Convert to fraction form
    16,008.71/22,091.64 = 8,839.19/x
  3. Step 3: Cross multiply
    16,008.71x = 22,091.64 × 8,839.19
  4. Step 4: Simplify right side
    16,008.71x = 195,272,092.91
  5. Step 5: Solve for x
    x = 195,272,092.91/16,008.71
  6. Step 6: Final answer
    x = 12,197.87

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