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Finding the Fourth Proportional to 2,241.81, 3,093.72 and 1,356.99

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Solution

The fourth proportional to 2,241.81, 3,093.72 and 1,356.99 is: 1,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.81 : 3,093.72 = 1,356.99 : x
  2. Step 2: Convert to fraction form
    2,241.81/3,093.72 = 1,356.99/x
  3. Step 3: Cross multiply
    2,241.81x = 3,093.72 × 1,356.99
  4. Step 4: Simplify right side
    2,241.81x = 4,198,147.10
  5. Step 5: Solve for x
    x = 4,198,147.10/2,241.81
  6. Step 6: Final answer
    x = 1,872.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.