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Finding the Fourth Proportional to 22,651.87, 33,991.17 and 8,623.71

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Solution

The fourth proportional to 22,651.87, 33,991.17 and 8,623.71 is: 12,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.87 : 33,991.17 = 8,623.71 : x
  2. Step 2: Convert to fraction form
    22,651.87/33,991.17 = 8,623.71/x
  3. Step 3: Cross multiply
    22,651.87x = 33,991.17 × 8,623.71
  4. Step 4: Simplify right side
    22,651.87x = 293,129,992.64
  5. Step 5: Solve for x
    x = 293,129,992.64/22,651.87
  6. Step 6: Final answer
    x = 12,940.65

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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.