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Finding the Fourth Proportional to 17,939.41, 26,909.06 and 8,550.97

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Solution

The fourth proportional to 17,939.41, 26,909.06 and 8,550.97 is: 12,826.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.41 : 26,909.06 = 8,550.97 : x
  2. Step 2: Convert to fraction form
    17,939.41/26,909.06 = 8,550.97/x
  3. Step 3: Cross multiply
    17,939.41x = 26,909.06 × 8,550.97
  4. Step 4: Simplify right side
    17,939.41x = 230,098,564.79
  5. Step 5: Solve for x
    x = 230,098,564.79/17,939.41
  6. Step 6: Final answer
    x = 12,826.43

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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.