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Finding the Fourth Proportional to 23,990.79, 35,992.57 and 8,195.80

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Solution

The fourth proportional to 23,990.79, 35,992.57 and 8,195.80 is: 12,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.79 : 35,992.57 = 8,195.80 : x
  2. Step 2: Convert to fraction form
    23,990.79/35,992.57 = 8,195.80/x
  3. Step 3: Cross multiply
    23,990.79x = 35,992.57 × 8,195.80
  4. Step 4: Simplify right side
    23,990.79x = 294,987,960.44
  5. Step 5: Solve for x
    x = 294,987,960.44/23,990.79
  6. Step 6: Final answer
    x = 12,295.88

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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.