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Finding the Fourth Proportional to 71,896.36, 99,212.85 and 41,262.97

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Solution

The fourth proportional to 71,896.36, 99,212.85 and 41,262.97 is: 56,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,896.36 : 99,212.85 = 41,262.97 : x
  2. Step 2: Convert to fraction form
    71,896.36/99,212.85 = 41,262.97/x
  3. Step 3: Cross multiply
    71,896.36x = 99,212.85 × 41,262.97
  4. Step 4: Simplify right side
    71,896.36x = 4,093,816,791.16
  5. Step 5: Solve for x
    x = 4,093,816,791.16/71,896.36
  6. Step 6: Final answer
    x = 56,940.53

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1.5x scale

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.