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Finding the Fourth Proportional to 54,470.56, 75,198.04 and 36,659.20

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Solution

The fourth proportional to 54,470.56, 75,198.04 and 36,659.20 is: 50,608.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,470.56 : 75,198.04 = 36,659.20 : x
  2. Step 2: Convert to fraction form
    54,470.56/75,198.04 = 36,659.20/x
  3. Step 3: Cross multiply
    54,470.56x = 75,198.04 × 36,659.20
  4. Step 4: Simplify right side
    54,470.56x = 2,756,699,987.97
  5. Step 5: Solve for x
    x = 2,756,699,987.97/54,470.56
  6. Step 6: Final answer
    x = 50,608.99

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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.