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Finding the Fourth Proportional to 7,997.63, 11,996.44 and 4,099.55

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Solution

The fourth proportional to 7,997.63, 11,996.44 and 4,099.55 is: 6,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.63 : 11,996.44 = 4,099.55 : x
  2. Step 2: Convert to fraction form
    7,997.63/11,996.44 = 4,099.55/x
  3. Step 3: Cross multiply
    7,997.63x = 11,996.44 × 4,099.55
  4. Step 4: Simplify right side
    7,997.63x = 49,180,003.42
  5. Step 5: Solve for x
    x = 49,180,003.42/7,997.63
  6. Step 6: Final answer
    x = 6,149.32

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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.