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Finding the Fourth Proportional to 8,393.33, 12,589.26 and 3,949.94

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Solution

The fourth proportional to 8,393.33, 12,589.26 and 3,949.94 is: 5,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.33 : 12,589.26 = 3,949.94 : x
  2. Step 2: Convert to fraction form
    8,393.33/12,589.26 = 3,949.94/x
  3. Step 3: Cross multiply
    8,393.33x = 12,589.26 × 3,949.94
  4. Step 4: Simplify right side
    8,393.33x = 49,726,758.70
  5. Step 5: Solve for x
    x = 49,726,758.70/8,393.33
  6. Step 6: Final answer
    x = 5,924.56

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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.