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Finding the Fourth Proportional to 2,562.20, 3,835.20 and 2,481.20

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Solution

The fourth proportional to 2,562.20, 3,835.20 and 2,481.20 is: 3,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,562.20 : 3,835.20 = 2,481.20 : x
  2. Step 2: Convert to fraction form
    2,562.20/3,835.20 = 2,481.20/x
  3. Step 3: Cross multiply
    2,562.20x = 3,835.20 × 2,481.20
  4. Step 4: Simplify right side
    2,562.20x = 9,515,898.24
  5. Step 5: Solve for x
    x = 9,515,898.24/2,562.20
  6. Step 6: Final answer
    x = 3,713.96

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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.