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Finding the Fourth Proportional to 2,702.54, 4,054.10 and 754.89

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Solution

The fourth proportional to 2,702.54, 4,054.10 and 754.89 is: 1,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.54 : 4,054.10 = 754.89 : x
  2. Step 2: Convert to fraction form
    2,702.54/4,054.10 = 754.89/x
  3. Step 3: Cross multiply
    2,702.54x = 4,054.10 × 754.89
  4. Step 4: Simplify right side
    2,702.54x = 3,060,399.55
  5. Step 5: Solve for x
    x = 3,060,399.55/2,702.54
  6. Step 6: Final answer
    x = 1,132.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.