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Finding the Fourth Proportional to 39,843.37, 59,751.11 and 11,755.97

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Solution

The fourth proportional to 39,843.37, 59,751.11 and 11,755.97 is: 17,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,843.37 : 59,751.11 = 11,755.97 : x
  2. Step 2: Convert to fraction form
    39,843.37/59,751.11 = 11,755.97/x
  3. Step 3: Cross multiply
    39,843.37x = 59,751.11 × 11,755.97
  4. Step 4: Simplify right side
    39,843.37x = 702,432,136.64
  5. Step 5: Solve for x
    x = 702,432,136.64/39,843.37
  6. Step 6: Final answer
    x = 17,629.84

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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.