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Finding the Fourth Proportional to 2,099.66, 2,896.79 and 1,469.97

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Solution

The fourth proportional to 2,099.66, 2,896.79 and 1,469.97 is: 2,028.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.66 : 2,896.79 = 1,469.97 : x
  2. Step 2: Convert to fraction form
    2,099.66/2,896.79 = 1,469.97/x
  3. Step 3: Cross multiply
    2,099.66x = 2,896.79 × 1,469.97
  4. Step 4: Simplify right side
    2,099.66x = 4,258,187.05
  5. Step 5: Solve for x
    x = 4,258,187.05/2,099.66
  6. Step 6: Final answer
    x = 2,028.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.