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Finding the Fourth Proportional to 8,549.19, 12,801.39 and 6,874.41

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Solution

The fourth proportional to 8,549.19, 12,801.39 and 6,874.41 is: 10,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.19 : 12,801.39 = 6,874.41 : x
  2. Step 2: Convert to fraction form
    8,549.19/12,801.39 = 6,874.41/x
  3. Step 3: Cross multiply
    8,549.19x = 12,801.39 × 6,874.41
  4. Step 4: Simplify right side
    8,549.19x = 88,002,003.43
  5. Step 5: Solve for x
    x = 88,002,003.43/8,549.19
  6. Step 6: Final answer
    x = 10,293.61

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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.