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Finding the Fourth Proportional to 3,494.43, 5,241.96 and 897.39

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Solution

The fourth proportional to 3,494.43, 5,241.96 and 897.39 is: 1,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.43 : 5,241.96 = 897.39 : x
  2. Step 2: Convert to fraction form
    3,494.43/5,241.96 = 897.39/x
  3. Step 3: Cross multiply
    3,494.43x = 5,241.96 × 897.39
  4. Step 4: Simplify right side
    3,494.43x = 4,704,082.48
  5. Step 5: Solve for x
    x = 4,704,082.48/3,494.43
  6. Step 6: Final answer
    x = 1,346.17

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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.