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Finding the Fourth Proportional to 23,786.43, 35,683.74 and 7,992.97

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Solution

The fourth proportional to 23,786.43, 35,683.74 and 7,992.97 is: 11,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,786.43 : 35,683.74 = 7,992.97 : x
  2. Step 2: Convert to fraction form
    23,786.43/35,683.74 = 7,992.97/x
  3. Step 3: Cross multiply
    23,786.43x = 35,683.74 × 7,992.97
  4. Step 4: Simplify right side
    23,786.43x = 285,219,063.31
  5. Step 5: Solve for x
    x = 285,219,063.31/23,786.43
  6. Step 6: Final answer
    x = 11,990.83

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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.