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Finding the Fourth Proportional to 6,608.16, 9,912.24 and 2,661.24

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Solution

The fourth proportional to 6,608.16, 9,912.24 and 2,661.24 is: 3,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.16 : 9,912.24 = 2,661.24 : x
  2. Step 2: Convert to fraction form
    6,608.16/9,912.24 = 2,661.24/x
  3. Step 3: Cross multiply
    6,608.16x = 9,912.24 × 2,661.24
  4. Step 4: Simplify right side
    6,608.16x = 26,378,849.58
  5. Step 5: Solve for x
    x = 26,378,849.58/6,608.16
  6. Step 6: Final answer
    x = 3,991.86

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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.