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Finding the Fourth Proportional to 6,361, 9,542.16 and 1,744

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Solution

The fourth proportional to 6,361, 9,542.16 and 1,744 is: 2,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361 : 9,542.16 = 1,744 : x
  2. Step 2: Convert to fraction form
    6,361/9,542.16 = 1,744/x
  3. Step 3: Cross multiply
    6,361x = 9,542.16 × 1,744
  4. Step 4: Simplify right side
    6,361x = 16,641,527.04
  5. Step 5: Solve for x
    x = 16,641,527.04/6,361
  6. Step 6: Final answer
    x = 2,616.18

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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.