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Finding the Fourth Proportional to 54,608.20, 81,815.10 and 44,693.80

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Solution

The fourth proportional to 54,608.20, 81,815.10 and 44,693.80 is: 66,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,608.20 : 81,815.10 = 44,693.80 : x
  2. Step 2: Convert to fraction form
    54,608.20/81,815.10 = 44,693.80/x
  3. Step 3: Cross multiply
    54,608.20x = 81,815.10 × 44,693.80
  4. Step 4: Simplify right side
    54,608.20x = 3,656,627,716.38
  5. Step 5: Solve for x
    x = 3,656,627,716.38/54,608.20
  6. Step 6: Final answer
    x = 66,961.15

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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.