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Finding the Fourth Proportional to 22,504.80, 33,735.26 and 8,991.94

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Solution

The fourth proportional to 22,504.80, 33,735.26 and 8,991.94 is: 13,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,504.80 : 33,735.26 = 8,991.94 : x
  2. Step 2: Convert to fraction form
    22,504.80/33,735.26 = 8,991.94/x
  3. Step 3: Cross multiply
    22,504.80x = 33,735.26 × 8,991.94
  4. Step 4: Simplify right side
    22,504.80x = 303,345,553.28
  5. Step 5: Solve for x
    x = 303,345,553.28/22,504.80
  6. Step 6: Final answer
    x = 13,479.15

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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.