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Finding the Fourth Proportional to 2,436.66, 3,361.79 and 1,491.47

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Solution

The fourth proportional to 2,436.66, 3,361.79 and 1,491.47 is: 2,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.66 : 3,361.79 = 1,491.47 : x
  2. Step 2: Convert to fraction form
    2,436.66/3,361.79 = 1,491.47/x
  3. Step 3: Cross multiply
    2,436.66x = 3,361.79 × 1,491.47
  4. Step 4: Simplify right side
    2,436.66x = 5,013,992.12
  5. Step 5: Solve for x
    x = 5,013,992.12/2,436.66
  6. Step 6: Final answer
    x = 2,057.73

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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.