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Finding the Fourth Proportional to 5,494.25, 8,241.42 and 4,395.89

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Solution

The fourth proportional to 5,494.25, 8,241.42 and 4,395.89 is: 6,593.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494.25 : 8,241.42 = 4,395.89 : x
  2. Step 2: Convert to fraction form
    5,494.25/8,241.42 = 4,395.89/x
  3. Step 3: Cross multiply
    5,494.25x = 8,241.42 × 4,395.89
  4. Step 4: Simplify right side
    5,494.25x = 36,228,375.76
  5. Step 5: Solve for x
    x = 36,228,375.76/5,494.25
  6. Step 6: Final answer
    x = 6,593.87

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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.