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Finding the Fourth Proportional to 71,966.97, 107,950.45 and 25,219.84

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Solution

The fourth proportional to 71,966.97, 107,950.45 and 25,219.84 is: 37,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966.97 : 107,950.45 = 25,219.84 : x
  2. Step 2: Convert to fraction form
    71,966.97/107,950.45 = 25,219.84/x
  3. Step 3: Cross multiply
    71,966.97x = 107,950.45 × 25,219.84
  4. Step 4: Simplify right side
    71,966.97x = 2,722,493,076.93
  5. Step 5: Solve for x
    x = 2,722,493,076.93/71,966.97
  6. Step 6: Final answer
    x = 37,829.76

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Double scale
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Similar ratio
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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.