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Finding the Fourth Proportional to 67,285.96, 100,853.51 and 27,295.65

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Solution

The fourth proportional to 67,285.96, 100,853.51 and 27,295.65 is: 40,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,285.96 : 100,853.51 = 27,295.65 : x
  2. Step 2: Convert to fraction form
    67,285.96/100,853.51 = 27,295.65/x
  3. Step 3: Cross multiply
    67,285.96x = 100,853.51 × 27,295.65
  4. Step 4: Simplify right side
    67,285.96x = 2,752,861,973.75
  5. Step 5: Solve for x
    x = 2,752,861,973.75/67,285.96
  6. Step 6: Final answer
    x = 40,912.88

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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.