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Finding the Fourth Proportional to 10,753.88, 16,128.08 and 3,359.08

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Solution

The fourth proportional to 10,753.88, 16,128.08 and 3,359.08 is: 5,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.88 : 16,128.08 = 3,359.08 : x
  2. Step 2: Convert to fraction form
    10,753.88/16,128.08 = 3,359.08/x
  3. Step 3: Cross multiply
    10,753.88x = 16,128.08 × 3,359.08
  4. Step 4: Simplify right side
    10,753.88x = 54,175,494.17
  5. Step 5: Solve for x
    x = 54,175,494.17/10,753.88
  6. Step 6: Final answer
    x = 5,037.76

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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.