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Finding the Fourth Proportional to 10,150.98, 14,016.96 and 8,481.30

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Solution

The fourth proportional to 10,150.98, 14,016.96 and 8,481.30 is: 11,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.98 : 14,016.96 = 8,481.30 : x
  2. Step 2: Convert to fraction form
    10,150.98/14,016.96 = 8,481.30/x
  3. Step 3: Cross multiply
    10,150.98x = 14,016.96 × 8,481.30
  4. Step 4: Simplify right side
    10,150.98x = 118,882,042.85
  5. Step 5: Solve for x
    x = 118,882,042.85/10,150.98
  6. Step 6: Final answer
    x = 11,711.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.