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Finding the Fourth Proportional to 51,425.92, 70,966.83 and 29,069.92

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Solution

The fourth proportional to 51,425.92, 70,966.83 and 29,069.92 is: 40,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.92 : 70,966.83 = 29,069.92 : x
  2. Step 2: Convert to fraction form
    51,425.92/70,966.83 = 29,069.92/x
  3. Step 3: Cross multiply
    51,425.92x = 70,966.83 × 29,069.92
  4. Step 4: Simplify right side
    51,425.92x = 2,063,000,070.75
  5. Step 5: Solve for x
    x = 2,063,000,070.75/51,425.92
  6. Step 6: Final answer
    x = 40,115.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.