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Finding the Fourth Proportional to 71,766.44, 107,650.20 and 25,019.36

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Solution

The fourth proportional to 71,766.44, 107,650.20 and 25,019.36 is: 37,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,766.44 : 107,650.20 = 25,019.36 : x
  2. Step 2: Convert to fraction form
    71,766.44/107,650.20 = 25,019.36/x
  3. Step 3: Cross multiply
    71,766.44x = 107,650.20 × 25,019.36
  4. Step 4: Simplify right side
    71,766.44x = 2,693,339,107.87
  5. Step 5: Solve for x
    x = 2,693,339,107.87/71,766.44
  6. Step 6: Final answer
    x = 37,529.23

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1.5x scale

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.