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Finding the Fourth Proportional to 8,366.63, 12,546.27 and 3,168.86

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Solution

The fourth proportional to 8,366.63, 12,546.27 and 3,168.86 is: 4,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.63 : 12,546.27 = 3,168.86 : x
  2. Step 2: Convert to fraction form
    8,366.63/12,546.27 = 3,168.86/x
  3. Step 3: Cross multiply
    8,366.63x = 12,546.27 × 3,168.86
  4. Step 4: Simplify right side
    8,366.63x = 39,757,373.15
  5. Step 5: Solve for x
    x = 39,757,373.15/8,366.63
  6. Step 6: Final answer
    x = 4,751.90

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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.