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Finding the Fourth Proportional to 17,853.68, 26,761.92 and 5,998.65

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Solution

The fourth proportional to 17,853.68, 26,761.92 and 5,998.65 is: 8,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853.68 : 26,761.92 = 5,998.65 : x
  2. Step 2: Convert to fraction form
    17,853.68/26,761.92 = 5,998.65/x
  3. Step 3: Cross multiply
    17,853.68x = 26,761.92 × 5,998.65
  4. Step 4: Simplify right side
    17,853.68x = 160,535,391.41
  5. Step 5: Solve for x
    x = 160,535,391.41/17,853.68
  6. Step 6: Final answer
    x = 8,991.73

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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.