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Finding the Fourth Proportional to 8,367.75, 12,544.16 and 3,177.27

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Solution

The fourth proportional to 8,367.75, 12,544.16 and 3,177.27 is: 4,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.75 : 12,544.16 = 3,177.27 : x
  2. Step 2: Convert to fraction form
    8,367.75/12,544.16 = 3,177.27/x
  3. Step 3: Cross multiply
    8,367.75x = 12,544.16 × 3,177.27
  4. Step 4: Simplify right side
    8,367.75x = 39,856,120.52
  5. Step 5: Solve for x
    x = 39,856,120.52/8,367.75
  6. Step 6: Final answer
    x = 4,763.07

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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.