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Finding the Fourth Proportional to 8,064.56, 12,096.84 and 2,221.17

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Solution

The fourth proportional to 8,064.56, 12,096.84 and 2,221.17 is: 3,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.56 : 12,096.84 = 2,221.17 : x
  2. Step 2: Convert to fraction form
    8,064.56/12,096.84 = 2,221.17/x
  3. Step 3: Cross multiply
    8,064.56x = 12,096.84 × 2,221.17
  4. Step 4: Simplify right side
    8,064.56x = 26,869,169.11
  5. Step 5: Solve for x
    x = 26,869,169.11/8,064.56
  6. Step 6: Final answer
    x = 3,331.76

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Double scale
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Similar ratio
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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.