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Finding the Fourth Proportional to 54,925.14, 82,455.03 and 36,220.80

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Solution

The fourth proportional to 54,925.14, 82,455.03 and 36,220.80 is: 54,375.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,925.14 : 82,455.03 = 36,220.80 : x
  2. Step 2: Convert to fraction form
    54,925.14/82,455.03 = 36,220.80/x
  3. Step 3: Cross multiply
    54,925.14x = 82,455.03 × 36,220.80
  4. Step 4: Simplify right side
    54,925.14x = 2,986,587,150.62
  5. Step 5: Solve for x
    x = 2,986,587,150.62/54,925.14
  6. Step 6: Final answer
    x = 54,375.59

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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.