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Finding the Fourth Proportional to 2,766.92, 3,818.31 and 1,508.03

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Solution

The fourth proportional to 2,766.92, 3,818.31 and 1,508.03 is: 2,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.92 : 3,818.31 = 1,508.03 : x
  2. Step 2: Convert to fraction form
    2,766.92/3,818.31 = 1,508.03/x
  3. Step 3: Cross multiply
    2,766.92x = 3,818.31 × 1,508.03
  4. Step 4: Simplify right side
    2,766.92x = 5,758,099.40
  5. Step 5: Solve for x
    x = 5,758,099.40/2,766.92
  6. Step 6: Final answer
    x = 2,081.05

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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.