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Finding the Fourth Proportional to 16,650.75, 24,958.67 and 7,758.75

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Solution

The fourth proportional to 16,650.75, 24,958.67 and 7,758.75 is: 11,629.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,650.75 : 24,958.67 = 7,758.75 : x
  2. Step 2: Convert to fraction form
    16,650.75/24,958.67 = 7,758.75/x
  3. Step 3: Cross multiply
    16,650.75x = 24,958.67 × 7,758.75
  4. Step 4: Simplify right side
    16,650.75x = 193,647,990.54
  5. Step 5: Solve for x
    x = 193,647,990.54/16,650.75
  6. Step 6: Final answer
    x = 11,629.99

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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.