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Finding the Fourth Proportional to 17,923.92, 26,885.88 and 8,057.88

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Solution

The fourth proportional to 17,923.92, 26,885.88 and 8,057.88 is: 12,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,923.92 : 26,885.88 = 8,057.88 : x
  2. Step 2: Convert to fraction form
    17,923.92/26,885.88 = 8,057.88/x
  3. Step 3: Cross multiply
    17,923.92x = 26,885.88 × 8,057.88
  4. Step 4: Simplify right side
    17,923.92x = 216,643,194.73
  5. Step 5: Solve for x
    x = 216,643,194.73/17,923.92
  6. Step 6: Final answer
    x = 12,086.82

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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.