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Finding the Fourth Proportional to 2,627.86, 3,626.31 and 1,448.71

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Solution

The fourth proportional to 2,627.86, 3,626.31 and 1,448.71 is: 1,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.86 : 3,626.31 = 1,448.71 : x
  2. Step 2: Convert to fraction form
    2,627.86/3,626.31 = 1,448.71/x
  3. Step 3: Cross multiply
    2,627.86x = 3,626.31 × 1,448.71
  4. Step 4: Simplify right side
    2,627.86x = 5,253,471.56
  5. Step 5: Solve for x
    x = 5,253,471.56/2,627.86
  6. Step 6: Final answer
    x = 1,999.14

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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.