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Finding the Fourth Proportional to 8,010.92, 12,016.38 and 3,079.64

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Solution

The fourth proportional to 8,010.92, 12,016.38 and 3,079.64 is: 4,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.92 : 12,016.38 = 3,079.64 : x
  2. Step 2: Convert to fraction form
    8,010.92/12,016.38 = 3,079.64/x
  3. Step 3: Cross multiply
    8,010.92x = 12,016.38 × 3,079.64
  4. Step 4: Simplify right side
    8,010.92x = 37,006,124.50
  5. Step 5: Solve for x
    x = 37,006,124.50/8,010.92
  6. Step 6: Final answer
    x = 4,619.46

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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.