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Finding the Fourth Proportional to 71,967.38, 107,958.25 and 22,046.90

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Solution

The fourth proportional to 71,967.38, 107,958.25 and 22,046.90 is: 33,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,967.38 : 107,958.25 = 22,046.90 : x
  2. Step 2: Convert to fraction form
    71,967.38/107,958.25 = 22,046.90/x
  3. Step 3: Cross multiply
    71,967.38x = 107,958.25 × 22,046.90
  4. Step 4: Simplify right side
    71,967.38x = 2,380,144,741.93
  5. Step 5: Solve for x
    x = 2,380,144,741.93/71,967.38
  6. Step 6: Final answer
    x = 33,072.55

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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.