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Finding the Fourth Proportional to 71,966.88, 107,957.50 and 22,046.40

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Solution

The fourth proportional to 71,966.88, 107,957.50 and 22,046.40 is: 33,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966.88 : 107,957.50 = 22,046.40 : x
  2. Step 2: Convert to fraction form
    71,966.88/107,957.50 = 22,046.40/x
  3. Step 3: Cross multiply
    71,966.88x = 107,957.50 × 22,046.40
  4. Step 4: Simplify right side
    71,966.88x = 2,380,074,228
  5. Step 5: Solve for x
    x = 2,380,074,228/71,966.88
  6. Step 6: Final answer
    x = 33,071.80

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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.