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Finding the Fourth Proportional to 67,324.56, 92,907.87 and 39,046.65

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Solution

The fourth proportional to 67,324.56, 92,907.87 and 39,046.65 is: 53,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,324.56 : 92,907.87 = 39,046.65 : x
  2. Step 2: Convert to fraction form
    67,324.56/92,907.87 = 39,046.65/x
  3. Step 3: Cross multiply
    67,324.56x = 92,907.87 × 39,046.65
  4. Step 4: Simplify right side
    67,324.56x = 3,627,741,082.14
  5. Step 5: Solve for x
    x = 3,627,741,082.14/67,324.56
  6. Step 6: Final answer
    x = 53,884.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.