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Finding the Fourth Proportional to 2,481.84, 3,722.40 and 750.60

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Solution

The fourth proportional to 2,481.84, 3,722.40 and 750.60 is: 1,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.84 : 3,722.40 = 750.60 : x
  2. Step 2: Convert to fraction form
    2,481.84/3,722.40 = 750.60/x
  3. Step 3: Cross multiply
    2,481.84x = 3,722.40 × 750.60
  4. Step 4: Simplify right side
    2,481.84x = 2,794,033.44
  5. Step 5: Solve for x
    x = 2,794,033.44/2,481.84
  6. Step 6: Final answer
    x = 1,125.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.