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Finding the Fourth Proportional to 5,863.97, 8,799.41 and 2,168.78

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Solution

The fourth proportional to 5,863.97, 8,799.41 and 2,168.78 is: 3,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.97 : 8,799.41 = 2,168.78 : x
  2. Step 2: Convert to fraction form
    5,863.97/8,799.41 = 2,168.78/x
  3. Step 3: Cross multiply
    5,863.97x = 8,799.41 × 2,168.78
  4. Step 4: Simplify right side
    5,863.97x = 19,083,939.75
  5. Step 5: Solve for x
    x = 19,083,939.75/5,863.97
  6. Step 6: Final answer
    x = 3,254.44

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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.