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Finding the Fourth Proportional to 27,191.94, 40,791.96 and 8,473.74

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Solution

The fourth proportional to 27,191.94, 40,791.96 and 8,473.74 is: 12,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.94 : 40,791.96 = 8,473.74 : x
  2. Step 2: Convert to fraction form
    27,191.94/40,791.96 = 8,473.74/x
  3. Step 3: Cross multiply
    27,191.94x = 40,791.96 × 8,473.74
  4. Step 4: Simplify right side
    27,191.94x = 345,660,463.13
  5. Step 5: Solve for x
    x = 345,660,463.13/27,191.94
  6. Step 6: Final answer
    x = 12,711.87

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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.