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Finding the Fourth Proportional to 2,648.36, 3,654.50 and 1,469.46

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Solution

The fourth proportional to 2,648.36, 3,654.50 and 1,469.46 is: 2,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.36 : 3,654.50 = 1,469.46 : x
  2. Step 2: Convert to fraction form
    2,648.36/3,654.50 = 1,469.46/x
  3. Step 3: Cross multiply
    2,648.36x = 3,654.50 × 1,469.46
  4. Step 4: Simplify right side
    2,648.36x = 5,370,141.57
  5. Step 5: Solve for x
    x = 5,370,141.57/2,648.36
  6. Step 6: Final answer
    x = 2,027.72

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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.