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Finding the Fourth Proportional to 3,079.92, 4,250.13 and 1,753.62

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Solution

The fourth proportional to 3,079.92, 4,250.13 and 1,753.62 is: 2,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.92 : 4,250.13 = 1,753.62 : x
  2. Step 2: Convert to fraction form
    3,079.92/4,250.13 = 1,753.62/x
  3. Step 3: Cross multiply
    3,079.92x = 4,250.13 × 1,753.62
  4. Step 4: Simplify right side
    3,079.92x = 7,453,112.97
  5. Step 5: Solve for x
    x = 7,453,112.97/3,079.92
  6. Step 6: Final answer
    x = 2,419.90

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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.