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Finding the Fourth Proportional to 1,994.85, 2,752.89 and 1,110.73

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Solution

The fourth proportional to 1,994.85, 2,752.89 and 1,110.73 is: 1,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.85 : 2,752.89 = 1,110.73 : x
  2. Step 2: Convert to fraction form
    1,994.85/2,752.89 = 1,110.73/x
  3. Step 3: Cross multiply
    1,994.85x = 2,752.89 × 1,110.73
  4. Step 4: Simplify right side
    1,994.85x = 3,057,717.51
  5. Step 5: Solve for x
    x = 3,057,717.51/1,994.85
  6. Step 6: Final answer
    x = 1,532.81

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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.