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Finding the Fourth Proportional to 54,809.73, 82,108.35 and 36,033.12

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Solution

The fourth proportional to 54,809.73, 82,108.35 and 36,033.12 is: 53,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,809.73 : 82,108.35 = 36,033.12 : x
  2. Step 2: Convert to fraction form
    54,809.73/82,108.35 = 36,033.12/x
  3. Step 3: Cross multiply
    54,809.73x = 82,108.35 × 36,033.12
  4. Step 4: Simplify right side
    54,809.73x = 2,958,620,028.55
  5. Step 5: Solve for x
    x = 2,958,620,028.55/54,809.73
  6. Step 6: Final answer
    x = 53,979.83

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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.