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Finding the Fourth Proportional to 11,994.57, 17,991.84 and 3,229.49

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Solution

The fourth proportional to 11,994.57, 17,991.84 and 3,229.49 is: 4,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.57 : 17,991.84 = 3,229.49 : x
  2. Step 2: Convert to fraction form
    11,994.57/17,991.84 = 3,229.49/x
  3. Step 3: Cross multiply
    11,994.57x = 17,991.84 × 3,229.49
  4. Step 4: Simplify right side
    11,994.57x = 58,104,467.36
  5. Step 5: Solve for x
    x = 58,104,467.36/11,994.57
  6. Step 6: Final answer
    x = 4,844.23

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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.