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Finding the Fourth Proportional to 11,375.20, 17,032.08 and 5,891.68

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Solution

The fourth proportional to 11,375.20, 17,032.08 and 5,891.68 is: 8,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.20 : 17,032.08 = 5,891.68 : x
  2. Step 2: Convert to fraction form
    11,375.20/17,032.08 = 5,891.68/x
  3. Step 3: Cross multiply
    11,375.20x = 17,032.08 × 5,891.68
  4. Step 4: Simplify right side
    11,375.20x = 100,347,565.09
  5. Step 5: Solve for x
    x = 100,347,565.09/11,375.20
  6. Step 6: Final answer
    x = 8,821.61

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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.