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Finding the Fourth Proportional to 10,610.52, 15,910.02 and 5,065.11

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Solution

The fourth proportional to 10,610.52, 15,910.02 and 5,065.11 is: 7,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.52 : 15,910.02 = 5,065.11 : x
  2. Step 2: Convert to fraction form
    10,610.52/15,910.02 = 5,065.11/x
  3. Step 3: Cross multiply
    10,610.52x = 15,910.02 × 5,065.11
  4. Step 4: Simplify right side
    10,610.52x = 80,586,001.40
  5. Step 5: Solve for x
    x = 80,586,001.40/10,610.52
  6. Step 6: Final answer
    x = 7,594.92

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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.