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Finding the Fourth Proportional to 7,997.91, 11,996.98 and 2,451.32

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Solution

The fourth proportional to 7,997.91, 11,996.98 and 2,451.32 is: 3,677.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.91 : 11,996.98 = 2,451.32 : x
  2. Step 2: Convert to fraction form
    7,997.91/11,996.98 = 2,451.32/x
  3. Step 3: Cross multiply
    7,997.91x = 11,996.98 × 2,451.32
  4. Step 4: Simplify right side
    7,997.91x = 29,408,437.01
  5. Step 5: Solve for x
    x = 29,408,437.01/7,997.91
  6. Step 6: Final answer
    x = 3,677.02

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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.