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Finding the Fourth Proportional to 49,751.98, 68,651.94 and 29,615.38

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Solution

The fourth proportional to 49,751.98, 68,651.94 and 29,615.38 is: 40,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,751.98 : 68,651.94 = 29,615.38 : x
  2. Step 2: Convert to fraction form
    49,751.98/68,651.94 = 29,615.38/x
  3. Step 3: Cross multiply
    49,751.98x = 68,651.94 × 29,615.38
  4. Step 4: Simplify right side
    49,751.98x = 2,033,153,290.84
  5. Step 5: Solve for x
    x = 2,033,153,290.84/49,751.98
  6. Step 6: Final answer
    x = 40,865.78

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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.