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Finding the Fourth Proportional to 27,243.57, 40,866.49 and 8,523.97

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Solution

The fourth proportional to 27,243.57, 40,866.49 and 8,523.97 is: 12,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,243.57 : 40,866.49 = 8,523.97 : x
  2. Step 2: Convert to fraction form
    27,243.57/40,866.49 = 8,523.97/x
  3. Step 3: Cross multiply
    27,243.57x = 40,866.49 × 8,523.97
  4. Step 4: Simplify right side
    27,243.57x = 348,344,734.77
  5. Step 5: Solve for x
    x = 348,344,734.77/27,243.57
  6. Step 6: Final answer
    x = 12,786.31

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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.