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Finding the Fourth Proportional to 2,702.23, 4,053.57 and 754.43

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Solution

The fourth proportional to 2,702.23, 4,053.57 and 754.43 is: 1,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.23 : 4,053.57 = 754.43 : x
  2. Step 2: Convert to fraction form
    2,702.23/4,053.57 = 754.43/x
  3. Step 3: Cross multiply
    2,702.23x = 4,053.57 × 754.43
  4. Step 4: Simplify right side
    2,702.23x = 3,058,144.95
  5. Step 5: Solve for x
    x = 3,058,144.95/2,702.23
  6. Step 6: Final answer
    x = 1,131.71

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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.