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Finding the Fourth Proportional to 2,754.92, 4,132.38 and 702.92

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Solution

The fourth proportional to 2,754.92, 4,132.38 and 702.92 is: 1,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.92 : 4,132.38 = 702.92 : x
  2. Step 2: Convert to fraction form
    2,754.92/4,132.38 = 702.92/x
  3. Step 3: Cross multiply
    2,754.92x = 4,132.38 × 702.92
  4. Step 4: Simplify right side
    2,754.92x = 2,904,744.64
  5. Step 5: Solve for x
    x = 2,904,744.64/2,754.92
  6. Step 6: Final answer
    x = 1,054.38

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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.