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Finding the Fourth Proportional to 54,956.80, 82,435.20 and 35,273.80

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Solution

The fourth proportional to 54,956.80, 82,435.20 and 35,273.80 is: 52,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.80 : 82,435.20 = 35,273.80 : x
  2. Step 2: Convert to fraction form
    54,956.80/82,435.20 = 35,273.80/x
  3. Step 3: Cross multiply
    54,956.80x = 82,435.20 × 35,273.80
  4. Step 4: Simplify right side
    54,956.80x = 2,907,802,757.76
  5. Step 5: Solve for x
    x = 2,907,802,757.76/54,956.80
  6. Step 6: Final answer
    x = 52,910.70

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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.