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Finding the Fourth Proportional to 11,115.96, 16,665.68 and 6,732.42

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Solution

The fourth proportional to 11,115.96, 16,665.68 and 6,732.42 is: 10,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.96 : 16,665.68 = 6,732.42 : x
  2. Step 2: Convert to fraction form
    11,115.96/16,665.68 = 6,732.42/x
  3. Step 3: Cross multiply
    11,115.96x = 16,665.68 × 6,732.42
  4. Step 4: Simplify right side
    11,115.96x = 112,200,357.35
  5. Step 5: Solve for x
    x = 112,200,357.35/11,115.96
  6. Step 6: Final answer
    x = 10,093.63

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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.