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Finding the Fourth Proportional to 16,131.28, 24,160.02 and 13,659.88

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Solution

The fourth proportional to 16,131.28, 24,160.02 and 13,659.88 is: 20,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131.28 : 24,160.02 = 13,659.88 : x
  2. Step 2: Convert to fraction form
    16,131.28/24,160.02 = 13,659.88/x
  3. Step 3: Cross multiply
    16,131.28x = 24,160.02 × 13,659.88
  4. Step 4: Simplify right side
    16,131.28x = 330,022,974.00
  5. Step 5: Solve for x
    x = 330,022,974.00/16,131.28
  6. Step 6: Final answer
    x = 20,458.57

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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.