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Finding the Fourth Proportional to 3,229.96, 4,844.96 and 3,072.56

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Solution

The fourth proportional to 3,229.96, 4,844.96 and 3,072.56 is: 4,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.96 : 4,844.96 = 3,072.56 : x
  2. Step 2: Convert to fraction form
    3,229.96/4,844.96 = 3,072.56/x
  3. Step 3: Cross multiply
    3,229.96x = 4,844.96 × 3,072.56
  4. Step 4: Simplify right side
    3,229.96x = 14,886,430.30
  5. Step 5: Solve for x
    x = 14,886,430.30/3,229.96
  6. Step 6: Final answer
    x = 4,608.86

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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.