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Finding the Fourth Proportional to 54,751.55, 82,265.71 and 52,537.21

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Solution

The fourth proportional to 54,751.55, 82,265.71 and 52,537.21 is: 78,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.55 : 82,265.71 = 52,537.21 : x
  2. Step 2: Convert to fraction form
    54,751.55/82,265.71 = 52,537.21/x
  3. Step 3: Cross multiply
    54,751.55x = 82,265.71 × 52,537.21
  4. Step 4: Simplify right side
    54,751.55x = 4,322,010,865.21
  5. Step 5: Solve for x
    x = 4,322,010,865.21/54,751.55
  6. Step 6: Final answer
    x = 78,938.61

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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.