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Finding the Fourth Proportional to 2,744.05, 3,787.33 and 2,079.74

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Solution

The fourth proportional to 2,744.05, 3,787.33 and 2,079.74 is: 2,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.05 : 3,787.33 = 2,079.74 : x
  2. Step 2: Convert to fraction form
    2,744.05/3,787.33 = 2,079.74/x
  3. Step 3: Cross multiply
    2,744.05x = 3,787.33 × 2,079.74
  4. Step 4: Simplify right side
    2,744.05x = 7,876,661.69
  5. Step 5: Solve for x
    x = 7,876,661.69/2,744.05
  6. Step 6: Final answer
    x = 2,870.45

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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.