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Finding the Fourth Proportional to 6,665.32, 9,997.98 and 3,739.24

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Solution

The fourth proportional to 6,665.32, 9,997.98 and 3,739.24 is: 5,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.32 : 9,997.98 = 3,739.24 : x
  2. Step 2: Convert to fraction form
    6,665.32/9,997.98 = 3,739.24/x
  3. Step 3: Cross multiply
    6,665.32x = 9,997.98 × 3,739.24
  4. Step 4: Simplify right side
    6,665.32x = 37,384,846.74
  5. Step 5: Solve for x
    x = 37,384,846.74/6,665.32
  6. Step 6: Final answer
    x = 5,608.86

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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.