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Finding the Fourth Proportional to 2,738.05, 4,105.99 and 982.48

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Solution

The fourth proportional to 2,738.05, 4,105.99 and 982.48 is: 1,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.05 : 4,105.99 = 982.48 : x
  2. Step 2: Convert to fraction form
    2,738.05/4,105.99 = 982.48/x
  3. Step 3: Cross multiply
    2,738.05x = 4,105.99 × 982.48
  4. Step 4: Simplify right side
    2,738.05x = 4,034,051.72
  5. Step 5: Solve for x
    x = 4,034,051.72/2,738.05
  6. Step 6: Final answer
    x = 1,473.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.