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Finding the Fourth Proportional to 58,443, 80,651.34 and 31,947

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Solution

The fourth proportional to 58,443, 80,651.34 and 31,947 is: 44,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,443 : 80,651.34 = 31,947 : x
  2. Step 2: Convert to fraction form
    58,443/80,651.34 = 31,947/x
  3. Step 3: Cross multiply
    58,443x = 80,651.34 × 31,947
  4. Step 4: Simplify right side
    58,443x = 2,576,568,358.98
  5. Step 5: Solve for x
    x = 2,576,568,358.98/58,443
  6. Step 6: Final answer
    x = 44,086.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.