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Finding the Fourth Proportional to 3,294.31, 4,941.33 and 1,102.87

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Solution

The fourth proportional to 3,294.31, 4,941.33 and 1,102.87 is: 1,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.31 : 4,941.33 = 1,102.87 : x
  2. Step 2: Convert to fraction form
    3,294.31/4,941.33 = 1,102.87/x
  3. Step 3: Cross multiply
    3,294.31x = 4,941.33 × 1,102.87
  4. Step 4: Simplify right side
    3,294.31x = 5,449,644.62
  5. Step 5: Solve for x
    x = 5,449,644.62/3,294.31
  6. Step 6: Final answer
    x = 1,654.26

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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.