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Finding the Fourth Proportional to 2,648.43, 3,654.65 and 1,469.51

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Solution

The fourth proportional to 2,648.43, 3,654.65 and 1,469.51 is: 2,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.43 : 3,654.65 = 1,469.51 : x
  2. Step 2: Convert to fraction form
    2,648.43/3,654.65 = 1,469.51/x
  3. Step 3: Cross multiply
    2,648.43x = 3,654.65 × 1,469.51
  4. Step 4: Simplify right side
    2,648.43x = 5,370,543.83
  5. Step 5: Solve for x
    x = 5,370,543.83/2,648.43
  6. Step 6: Final answer
    x = 2,027.82

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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.