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Finding the Fourth Proportional to 2,200.78, 3,035.37 and 1,414.90

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Solution

The fourth proportional to 2,200.78, 3,035.37 and 1,414.90 is: 1,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.78 : 3,035.37 = 1,414.90 : x
  2. Step 2: Convert to fraction form
    2,200.78/3,035.37 = 1,414.90/x
  3. Step 3: Cross multiply
    2,200.78x = 3,035.37 × 1,414.90
  4. Step 4: Simplify right side
    2,200.78x = 4,294,745.01
  5. Step 5: Solve for x
    x = 4,294,745.01/2,200.78
  6. Step 6: Final answer
    x = 1,951.46

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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.