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Finding the Fourth Proportional to 27,246.82, 40,869.09 and 9,481.55

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Solution

The fourth proportional to 27,246.82, 40,869.09 and 9,481.55 is: 14,221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,246.82 : 40,869.09 = 9,481.55 : x
  2. Step 2: Convert to fraction form
    27,246.82/40,869.09 = 9,481.55/x
  3. Step 3: Cross multiply
    27,246.82x = 40,869.09 × 9,481.55
  4. Step 4: Simplify right side
    27,246.82x = 387,502,115.94
  5. Step 5: Solve for x
    x = 387,502,115.94/27,246.82
  6. Step 6: Final answer
    x = 14,221.92

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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.