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Finding the Fourth Proportional to 4,489.12, 6,736.02 and 3,393.16

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Solution

The fourth proportional to 4,489.12, 6,736.02 and 3,393.16 is: 5,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.12 : 6,736.02 = 3,393.16 : x
  2. Step 2: Convert to fraction form
    4,489.12/6,736.02 = 3,393.16/x
  3. Step 3: Cross multiply
    4,489.12x = 6,736.02 × 3,393.16
  4. Step 4: Simplify right side
    4,489.12x = 22,856,393.62
  5. Step 5: Solve for x
    x = 22,856,393.62/4,489.12
  6. Step 6: Final answer
    x = 5,091.51

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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.