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Finding the Fourth Proportional to 3,399.62, 5,095.17 and 1,449.54

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Solution

The fourth proportional to 3,399.62, 5,095.17 and 1,449.54 is: 2,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.62 : 5,095.17 = 1,449.54 : x
  2. Step 2: Convert to fraction form
    3,399.62/5,095.17 = 1,449.54/x
  3. Step 3: Cross multiply
    3,399.62x = 5,095.17 × 1,449.54
  4. Step 4: Simplify right side
    3,399.62x = 7,385,652.72
  5. Step 5: Solve for x
    x = 7,385,652.72/3,399.62
  6. Step 6: Final answer
    x = 2,172.50

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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.