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Finding the Fourth Proportional to 11,083.92, 16,627.91 and 3,687.68

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Solution

The fourth proportional to 11,083.92, 16,627.91 and 3,687.68 is: 5,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.92 : 16,627.91 = 3,687.68 : x
  2. Step 2: Convert to fraction form
    11,083.92/16,627.91 = 3,687.68/x
  3. Step 3: Cross multiply
    11,083.92x = 16,627.91 × 3,687.68
  4. Step 4: Simplify right side
    11,083.92x = 61,318,309.57
  5. Step 5: Solve for x
    x = 61,318,309.57/11,083.92
  6. Step 6: Final answer
    x = 5,532.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.