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Finding the Fourth Proportional to 18,067.96, 27,073.98 and 12,532.12

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Solution

The fourth proportional to 18,067.96, 27,073.98 and 12,532.12 is: 18,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.96 : 27,073.98 = 12,532.12 : x
  2. Step 2: Convert to fraction form
    18,067.96/27,073.98 = 12,532.12/x
  3. Step 3: Cross multiply
    18,067.96x = 27,073.98 × 12,532.12
  4. Step 4: Simplify right side
    18,067.96x = 339,294,366.24
  5. Step 5: Solve for x
    x = 339,294,366.24/18,067.96
  6. Step 6: Final answer
    x = 18,778.79

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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.