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Finding the Fourth Proportional to 8,589.33, 12,884.39 and 2,349.21

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Solution

The fourth proportional to 8,589.33, 12,884.39 and 2,349.21 is: 3,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.33 : 12,884.39 = 2,349.21 : x
  2. Step 2: Convert to fraction form
    8,589.33/12,884.39 = 2,349.21/x
  3. Step 3: Cross multiply
    8,589.33x = 12,884.39 × 2,349.21
  4. Step 4: Simplify right side
    8,589.33x = 30,268,067.54
  5. Step 5: Solve for x
    x = 30,268,067.54/8,589.33
  6. Step 6: Final answer
    x = 3,523.91

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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.