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Finding the Fourth Proportional to 2,628.64, 3,627.52 and 1,449.71

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Solution

The fourth proportional to 2,628.64, 3,627.52 and 1,449.71 is: 2,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.64 : 3,627.52 = 1,449.71 : x
  2. Step 2: Convert to fraction form
    2,628.64/3,627.52 = 1,449.71/x
  3. Step 3: Cross multiply
    2,628.64x = 3,627.52 × 1,449.71
  4. Step 4: Simplify right side
    2,628.64x = 5,258,852.02
  5. Step 5: Solve for x
    x = 5,258,852.02/2,628.64
  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.