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Finding the Fourth Proportional to 3,982.52, 5,974.00 and 1,060.76

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Solution

The fourth proportional to 3,982.52, 5,974.00 and 1,060.76 is: 1,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.52 : 5,974.00 = 1,060.76 : x
  2. Step 2: Convert to fraction form
    3,982.52/5,974.00 = 1,060.76/x
  3. Step 3: Cross multiply
    3,982.52x = 5,974.00 × 1,060.76
  4. Step 4: Simplify right side
    3,982.52x = 6,336,992.52
  5. Step 5: Solve for x
    x = 6,336,992.52/3,982.52
  6. Step 6: Final answer
    x = 1,591.20

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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.