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Finding the Fourth Proportional to 54,195.57, 74,764.62 and 35,081.49

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Solution

The fourth proportional to 54,195.57, 74,764.62 and 35,081.49 is: 48,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,195.57 : 74,764.62 = 35,081.49 : x
  2. Step 2: Convert to fraction form
    54,195.57/74,764.62 = 35,081.49/x
  3. Step 3: Cross multiply
    54,195.57x = 74,764.62 × 35,081.49
  4. Step 4: Simplify right side
    54,195.57x = 2,622,854,268.88
  5. Step 5: Solve for x
    x = 2,622,854,268.88/54,195.57
  6. Step 6: Final answer
    x = 48,396.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.