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Finding the Fourth Proportional to 62,965.86, 86,866.38 and 41,708.22

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Solution

The fourth proportional to 62,965.86, 86,866.38 and 41,708.22 is: 57,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,965.86 : 86,866.38 = 41,708.22 : x
  2. Step 2: Convert to fraction form
    62,965.86/86,866.38 = 41,708.22/x
  3. Step 3: Cross multiply
    62,965.86x = 86,866.38 × 41,708.22
  4. Step 4: Simplify right side
    62,965.86x = 3,623,042,087.64
  5. Step 5: Solve for x
    x = 3,623,042,087.64/62,965.86
  6. Step 6: Final answer
    x = 57,539.79

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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.