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Finding the Fourth Proportional to 2,628.68, 3,627.54 and 1,449.72

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Solution

The fourth proportional to 2,628.68, 3,627.54 and 1,449.72 is: 2,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.68 : 3,627.54 = 1,449.72 : x
  2. Step 2: Convert to fraction form
    2,628.68/3,627.54 = 1,449.72/x
  3. Step 3: Cross multiply
    2,628.68x = 3,627.54 × 1,449.72
  4. Step 4: Simplify right side
    2,628.68x = 5,258,917.29
  5. Step 5: Solve for x
    x = 5,258,917.29/2,628.68
  6. Step 6: Final answer
    x = 2,000.60

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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.