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Finding the Fourth Proportional to 67,372.70, 101,059.40 and 17,449.30

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Solution

The fourth proportional to 67,372.70, 101,059.40 and 17,449.30 is: 26,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,372.70 : 101,059.40 = 17,449.30 : x
  2. Step 2: Convert to fraction form
    67,372.70/101,059.40 = 17,449.30/x
  3. Step 3: Cross multiply
    67,372.70x = 101,059.40 × 17,449.30
  4. Step 4: Simplify right side
    67,372.70x = 1,763,415,788.42
  5. Step 5: Solve for x
    x = 1,763,415,788.42/67,372.70
  6. Step 6: Final answer
    x = 26,174.04

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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.