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Finding the Fourth Proportional to 2,441.79, 3,371.12 and 1,603.97

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Solution

The fourth proportional to 2,441.79, 3,371.12 and 1,603.97 is: 2,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.79 : 3,371.12 = 1,603.97 : x
  2. Step 2: Convert to fraction form
    2,441.79/3,371.12 = 1,603.97/x
  3. Step 3: Cross multiply
    2,441.79x = 3,371.12 × 1,603.97
  4. Step 4: Simplify right side
    2,441.79x = 5,407,150.47
  5. Step 5: Solve for x
    x = 5,407,150.47/2,441.79
  6. Step 6: Final answer
    x = 2,214.42

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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.