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Finding the Fourth Proportional to 27,191.82, 40,793.94 and 9,661.62

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Solution

The fourth proportional to 27,191.82, 40,793.94 and 9,661.62 is: 14,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.82 : 40,793.94 = 9,661.62 : x
  2. Step 2: Convert to fraction form
    27,191.82/40,793.94 = 9,661.62/x
  3. Step 3: Cross multiply
    27,191.82x = 40,793.94 × 9,661.62
  4. Step 4: Simplify right side
    27,191.82x = 394,135,546.58
  5. Step 5: Solve for x
    x = 394,135,546.58/27,191.82
  6. Step 6: Final answer
    x = 14,494.64

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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.