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Finding the Fourth Proportional to 62,679.91, 94,028.81 and 20,563.29

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Solution

The fourth proportional to 62,679.91, 94,028.81 and 20,563.29 is: 30,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.91 : 94,028.81 = 20,563.29 : x
  2. Step 2: Convert to fraction form
    62,679.91/94,028.81 = 20,563.29/x
  3. Step 3: Cross multiply
    62,679.91x = 94,028.81 × 20,563.29
  4. Step 4: Simplify right side
    62,679.91x = 1,933,541,399.58
  5. Step 5: Solve for x
    x = 1,933,541,399.58/62,679.91
  6. Step 6: Final answer
    x = 30,847.86

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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.