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Finding the Fourth Proportional to 62,982.56, 86,952.08 and 41,790.56

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Solution

The fourth proportional to 62,982.56, 86,952.08 and 41,790.56 is: 57,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,982.56 : 86,952.08 = 41,790.56 : x
  2. Step 2: Convert to fraction form
    62,982.56/86,952.08 = 41,790.56/x
  3. Step 3: Cross multiply
    62,982.56x = 86,952.08 × 41,790.56
  4. Step 4: Simplify right side
    62,982.56x = 3,633,776,116.36
  5. Step 5: Solve for x
    x = 3,633,776,116.36/62,982.56
  6. Step 6: Final answer
    x = 57,694.96

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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.