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Finding the Fourth Proportional to 2,355.56, 3,250.82 and 1,361.02

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Solution

The fourth proportional to 2,355.56, 3,250.82 and 1,361.02 is: 1,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.56 : 3,250.82 = 1,361.02 : x
  2. Step 2: Convert to fraction form
    2,355.56/3,250.82 = 1,361.02/x
  3. Step 3: Cross multiply
    2,355.56x = 3,250.82 × 1,361.02
  4. Step 4: Simplify right side
    2,355.56x = 4,424,431.04
  5. Step 5: Solve for x
    x = 4,424,431.04/2,355.56
  6. Step 6: Final answer
    x = 1,878.29

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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.