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Finding the Fourth Proportional to 2,702.54, 4,053.80 and 754.74

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Solution

The fourth proportional to 2,702.54, 4,053.80 and 754.74 is: 1,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.54 : 4,053.80 = 754.74 : x
  2. Step 2: Convert to fraction form
    2,702.54/4,053.80 = 754.74/x
  3. Step 3: Cross multiply
    2,702.54x = 4,053.80 × 754.74
  4. Step 4: Simplify right side
    2,702.54x = 3,059,566.90
  5. Step 5: Solve for x
    x = 3,059,566.90/2,702.54
  6. Step 6: Final answer
    x = 1,132.11

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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.