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Finding the Fourth Proportional to 3,555.33, 4,906.58 and 1,961.97

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Solution

The fourth proportional to 3,555.33, 4,906.58 and 1,961.97 is: 2,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.33 : 4,906.58 = 1,961.97 : x
  2. Step 2: Convert to fraction form
    3,555.33/4,906.58 = 1,961.97/x
  3. Step 3: Cross multiply
    3,555.33x = 4,906.58 × 1,961.97
  4. Step 4: Simplify right side
    3,555.33x = 9,626,552.95
  5. Step 5: Solve for x
    x = 9,626,552.95/3,555.33
  6. Step 6: Final answer
    x = 2,707.64

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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.