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Finding the Fourth Proportional to 8,091.66, 12,136.14 and 2,248.86

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Solution

The fourth proportional to 8,091.66, 12,136.14 and 2,248.86 is: 3,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.66 : 12,136.14 = 2,248.86 : x
  2. Step 2: Convert to fraction form
    8,091.66/12,136.14 = 2,248.86/x
  3. Step 3: Cross multiply
    8,091.66x = 12,136.14 × 2,248.86
  4. Step 4: Simplify right side
    8,091.66x = 27,292,479.80
  5. Step 5: Solve for x
    x = 27,292,479.80/8,091.66
  6. Step 6: Final answer
    x = 3,372.91

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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.