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Finding the Fourth Proportional to 11,282.68, 16,934.96 and 5,443.39

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Solution

The fourth proportional to 11,282.68, 16,934.96 and 5,443.39 is: 8,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.68 : 16,934.96 = 5,443.39 : x
  2. Step 2: Convert to fraction form
    11,282.68/16,934.96 = 5,443.39/x
  3. Step 3: Cross multiply
    11,282.68x = 16,934.96 × 5,443.39
  4. Step 4: Simplify right side
    11,282.68x = 92,183,591.91
  5. Step 5: Solve for x
    x = 92,183,591.91/11,282.68
  6. Step 6: Final answer
    x = 8,170.36

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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.