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Finding the Fourth Proportional to 16,149.28, 22,287.18 and 9,862.84

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Solution

The fourth proportional to 16,149.28, 22,287.18 and 9,862.84 is: 13,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,149.28 : 22,287.18 = 9,862.84 : x
  2. Step 2: Convert to fraction form
    16,149.28/22,287.18 = 9,862.84/x
  3. Step 3: Cross multiply
    16,149.28x = 22,287.18 × 9,862.84
  4. Step 4: Simplify right side
    16,149.28x = 219,814,890.39
  5. Step 5: Solve for x
    x = 219,814,890.39/16,149.28
  6. Step 6: Final answer
    x = 13,611.44

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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.