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Finding the Fourth Proportional to 2,672.97, 3,688.71 and 1,494.06

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Solution

The fourth proportional to 2,672.97, 3,688.71 and 1,494.06 is: 2,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.97 : 3,688.71 = 1,494.06 : x
  2. Step 2: Convert to fraction form
    2,672.97/3,688.71 = 1,494.06/x
  3. Step 3: Cross multiply
    2,672.97x = 3,688.71 × 1,494.06
  4. Step 4: Simplify right side
    2,672.97x = 5,511,154.06
  5. Step 5: Solve for x
    x = 5,511,154.06/2,672.97
  6. Step 6: Final answer
    x = 2,061.81

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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.