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Finding the Fourth Proportional to 2,179.44, 3,269.16 and 1,450.44

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Solution

The fourth proportional to 2,179.44, 3,269.16 and 1,450.44 is: 2,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.44 : 3,269.16 = 1,450.44 : x
  2. Step 2: Convert to fraction form
    2,179.44/3,269.16 = 1,450.44/x
  3. Step 3: Cross multiply
    2,179.44x = 3,269.16 × 1,450.44
  4. Step 4: Simplify right side
    2,179.44x = 4,741,720.43
  5. Step 5: Solve for x
    x = 4,741,720.43/2,179.44
  6. Step 6: Final answer
    x = 2,175.66

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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.