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Finding the Fourth Proportional to 8,514.79, 12,772.17 and 2,671.84

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Solution

The fourth proportional to 8,514.79, 12,772.17 and 2,671.84 is: 4,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.79 : 12,772.17 = 2,671.84 : x
  2. Step 2: Convert to fraction form
    8,514.79/12,772.17 = 2,671.84/x
  3. Step 3: Cross multiply
    8,514.79x = 12,772.17 × 2,671.84
  4. Step 4: Simplify right side
    8,514.79x = 34,125,194.69
  5. Step 5: Solve for x
    x = 34,125,194.69/8,514.79
  6. Step 6: Final answer
    x = 4,007.76

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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.