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Finding the Fourth Proportional to 57,696.30, 86,352.45 and 41,856.30

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Solution

The fourth proportional to 57,696.30, 86,352.45 and 41,856.30 is: 62,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,696.30 : 86,352.45 = 41,856.30 : x
  2. Step 2: Convert to fraction form
    57,696.30/86,352.45 = 41,856.30/x
  3. Step 3: Cross multiply
    57,696.30x = 86,352.45 × 41,856.30
  4. Step 4: Simplify right side
    57,696.30x = 3,614,394,052.94
  5. Step 5: Solve for x
    x = 3,614,394,052.94/57,696.30
  6. Step 6: Final answer
    x = 62,645.16

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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.