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Finding the Fourth Proportional to 11,052.59, 16,556.67 and 5,489.10

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Solution

The fourth proportional to 11,052.59, 16,556.67 and 5,489.10 is: 8,222.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,052.59 : 16,556.67 = 5,489.10 : x
  2. Step 2: Convert to fraction form
    11,052.59/16,556.67 = 5,489.10/x
  3. Step 3: Cross multiply
    11,052.59x = 16,556.67 × 5,489.10
  4. Step 4: Simplify right side
    11,052.59x = 90,881,217.30
  5. Step 5: Solve for x
    x = 90,881,217.30/11,052.59
  6. Step 6: Final answer
    x = 8,222.62

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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.