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Finding the Fourth Proportional to 41,175.20, 61,762.80 and 27,324.20

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Solution

The fourth proportional to 41,175.20, 61,762.80 and 27,324.20 is: 40,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,175.20 : 61,762.80 = 27,324.20 : x
  2. Step 2: Convert to fraction form
    41,175.20/61,762.80 = 27,324.20/x
  3. Step 3: Cross multiply
    41,175.20x = 61,762.80 × 27,324.20
  4. Step 4: Simplify right side
    41,175.20x = 1,687,619,099.76
  5. Step 5: Solve for x
    x = 1,687,619,099.76/41,175.20
  6. Step 6: Final answer
    x = 40,986.30

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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.