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Finding the Fourth Proportional to 2,628.42, 3,627.09 and 1,449.46

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Solution

The fourth proportional to 2,628.42, 3,627.09 and 1,449.46 is: 2,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.42 : 3,627.09 = 1,449.46 : x
  2. Step 2: Convert to fraction form
    2,628.42/3,627.09 = 1,449.46/x
  3. Step 3: Cross multiply
    2,628.42x = 3,627.09 × 1,449.46
  4. Step 4: Simplify right side
    2,628.42x = 5,257,321.87
  5. Step 5: Solve for x
    x = 5,257,321.87/2,628.42
  6. Step 6: Final answer
    x = 2,000.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.