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Finding the Fourth Proportional to 7,997.44, 11,995.30 and 2,154.64

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Solution

The fourth proportional to 7,997.44, 11,995.30 and 2,154.64 is: 3,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.44 : 11,995.30 = 2,154.64 : x
  2. Step 2: Convert to fraction form
    7,997.44/11,995.30 = 2,154.64/x
  3. Step 3: Cross multiply
    7,997.44x = 11,995.30 × 2,154.64
  4. Step 4: Simplify right side
    7,997.44x = 25,845,553.19
  5. Step 5: Solve for x
    x = 25,845,553.19/7,997.44
  6. Step 6: Final answer
    x = 3,231.73

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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.