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Finding the Fourth Proportional to 2,443.56, 3,372.56 and 1,395.62

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Solution

The fourth proportional to 2,443.56, 3,372.56 and 1,395.62 is: 1,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.56 : 3,372.56 = 1,395.62 : x
  2. Step 2: Convert to fraction form
    2,443.56/3,372.56 = 1,395.62/x
  3. Step 3: Cross multiply
    2,443.56x = 3,372.56 × 1,395.62
  4. Step 4: Simplify right side
    2,443.56x = 4,706,826.72
  5. Step 5: Solve for x
    x = 4,706,826.72/2,443.56
  6. Step 6: Final answer
    x = 1,926.22

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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.