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Finding the Fourth Proportional to 10,687.88, 16,033.10 and 4,452.11

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Solution

The fourth proportional to 10,687.88, 16,033.10 and 4,452.11 is: 6,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.88 : 16,033.10 = 4,452.11 : x
  2. Step 2: Convert to fraction form
    10,687.88/16,033.10 = 4,452.11/x
  3. Step 3: Cross multiply
    10,687.88x = 16,033.10 × 4,452.11
  4. Step 4: Simplify right side
    10,687.88x = 71,381,124.84
  5. Step 5: Solve for x
    x = 71,381,124.84/10,687.88
  6. Step 6: Final answer
    x = 6,678.70

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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.