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Finding the Fourth Proportional to 2,766.13, 3,787.33 and 2,756.41

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Solution

The fourth proportional to 2,766.13, 3,787.33 and 2,756.41 is: 3,774.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.13 : 3,787.33 = 2,756.41 : x
  2. Step 2: Convert to fraction form
    2,766.13/3,787.33 = 2,756.41/x
  3. Step 3: Cross multiply
    2,766.13x = 3,787.33 × 2,756.41
  4. Step 4: Simplify right side
    2,766.13x = 10,439,441.18
  5. Step 5: Solve for x
    x = 10,439,441.18/2,766.13
  6. Step 6: Final answer
    x = 3,774.02

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.