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Finding the Fourth Proportional to 54,244.56, 74,793.72 and 43,480.80

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Solution

The fourth proportional to 54,244.56, 74,793.72 and 43,480.80 is: 59,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,244.56 : 74,793.72 = 43,480.80 : x
  2. Step 2: Convert to fraction form
    54,244.56/74,793.72 = 43,480.80/x
  3. Step 3: Cross multiply
    54,244.56x = 74,793.72 × 43,480.80
  4. Step 4: Simplify right side
    54,244.56x = 3,252,090,780.58
  5. Step 5: Solve for x
    x = 3,252,090,780.58/54,244.56
  6. Step 6: Final answer
    x = 59,952.39

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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.