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Finding the Fourth Proportional to 7,331.97, 10,997.90 and 2,650.22

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Solution

The fourth proportional to 7,331.97, 10,997.90 and 2,650.22 is: 3,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.97 : 10,997.90 = 2,650.22 : x
  2. Step 2: Convert to fraction form
    7,331.97/10,997.90 = 2,650.22/x
  3. Step 3: Cross multiply
    7,331.97x = 10,997.90 × 2,650.22
  4. Step 4: Simplify right side
    7,331.97x = 29,146,786.30
  5. Step 5: Solve for x
    x = 29,146,786.30/7,331.97
  6. Step 6: Final answer
    x = 3,975.30

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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.