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Finding the Fourth Proportional to 62,744.64, 86,589 and 34,450.44

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Solution

The fourth proportional to 62,744.64, 86,589 and 34,450.44 is: 47,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,744.64 : 86,589 = 34,450.44 : x
  2. Step 2: Convert to fraction form
    62,744.64/86,589 = 34,450.44/x
  3. Step 3: Cross multiply
    62,744.64x = 86,589 × 34,450.44
  4. Step 4: Simplify right side
    62,744.64x = 2,983,029,149.16
  5. Step 5: Solve for x
    x = 2,983,029,149.16/62,744.64
  6. Step 6: Final answer
    x = 47,542.37

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1.5x scale

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.