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Finding the Fourth Proportional to 2,481.60, 3,722.24 and 750.24

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Solution

The fourth proportional to 2,481.60, 3,722.24 and 750.24 is: 1,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.60 : 3,722.24 = 750.24 : x
  2. Step 2: Convert to fraction form
    2,481.60/3,722.24 = 750.24/x
  3. Step 3: Cross multiply
    2,481.60x = 3,722.24 × 750.24
  4. Step 4: Simplify right side
    2,481.60x = 2,792,573.34
  5. Step 5: Solve for x
    x = 2,792,573.34/2,481.60
  6. Step 6: Final answer
    x = 1,125.31

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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.