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Finding the Fourth Proportional to 8,157.94, 12,236.92 and 2,001.94

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Solution

The fourth proportional to 8,157.94, 12,236.92 and 2,001.94 is: 3,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.94 : 12,236.92 = 2,001.94 : x
  2. Step 2: Convert to fraction form
    8,157.94/12,236.92 = 2,001.94/x
  3. Step 3: Cross multiply
    8,157.94x = 12,236.92 × 2,001.94
  4. Step 4: Simplify right side
    8,157.94x = 24,497,544.03
  5. Step 5: Solve for x
    x = 24,497,544.03/8,157.94
  6. Step 6: Final answer
    x = 3,002.91

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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.