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Finding the Fourth Proportional to 8,367.88, 12,549.62 and 3,976.60

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Solution

The fourth proportional to 8,367.88, 12,549.62 and 3,976.60 is: 5,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.88 : 12,549.62 = 3,976.60 : x
  2. Step 2: Convert to fraction form
    8,367.88/12,549.62 = 3,976.60/x
  3. Step 3: Cross multiply
    8,367.88x = 12,549.62 × 3,976.60
  4. Step 4: Simplify right side
    8,367.88x = 49,904,818.89
  5. Step 5: Solve for x
    x = 49,904,818.89/8,367.88
  6. Step 6: Final answer
    x = 5,963.85

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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.