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Finding the Fourth Proportional to 62,965.87, 86,866.37 and 41,708.23

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Solution

The fourth proportional to 62,965.87, 86,866.37 and 41,708.23 is: 57,539.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,965.87 : 86,866.37 = 41,708.23 : x
  2. Step 2: Convert to fraction form
    62,965.87/86,866.37 = 41,708.23/x
  3. Step 3: Cross multiply
    62,965.87x = 86,866.37 × 41,708.23
  4. Step 4: Simplify right side
    62,965.87x = 3,623,042,539.23
  5. Step 5: Solve for x
    x = 3,623,042,539.23/62,965.87
  6. Step 6: Final answer
    x = 57,539.78

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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.