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Finding the Fourth Proportional to 40,974.80, 61,375.80 and 34,062.80

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Solution

The fourth proportional to 40,974.80, 61,375.80 and 34,062.80 is: 51,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,974.80 : 61,375.80 = 34,062.80 : x
  2. Step 2: Convert to fraction form
    40,974.80/61,375.80 = 34,062.80/x
  3. Step 3: Cross multiply
    40,974.80x = 61,375.80 × 34,062.80
  4. Step 4: Simplify right side
    40,974.80x = 2,090,631,600.24
  5. Step 5: Solve for x
    x = 2,090,631,600.24/40,974.80
  6. Step 6: Final answer
    x = 51,022.37

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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.