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Finding the Fourth Proportional to 2,241.08, 3,361.21 and 835.24

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Solution

The fourth proportional to 2,241.08, 3,361.21 and 835.24 is: 1,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.08 : 3,361.21 = 835.24 : x
  2. Step 2: Convert to fraction form
    2,241.08/3,361.21 = 835.24/x
  3. Step 3: Cross multiply
    2,241.08x = 3,361.21 × 835.24
  4. Step 4: Simplify right side
    2,241.08x = 2,807,417.04
  5. Step 5: Solve for x
    x = 2,807,417.04/2,241.08
  6. Step 6: Final answer
    x = 1,252.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.