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Finding the Fourth Proportional to 67,972.60, 101,958.90 and 41,400.55

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Solution

The fourth proportional to 67,972.60, 101,958.90 and 41,400.55 is: 62,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,972.60 : 101,958.90 = 41,400.55 : x
  2. Step 2: Convert to fraction form
    67,972.60/101,958.90 = 41,400.55/x
  3. Step 3: Cross multiply
    67,972.60x = 101,958.90 × 41,400.55
  4. Step 4: Simplify right side
    67,972.60x = 4,221,154,537.40
  5. Step 5: Solve for x
    x = 4,221,154,537.40/67,972.60
  6. Step 6: Final answer
    x = 62,100.83

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1.5x scale

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.