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Finding the Fourth Proportional to 6,162, 9,243 and 2,699.25

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Solution

The fourth proportional to 6,162, 9,243 and 2,699.25 is: 4,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162 : 9,243 = 2,699.25 : x
  2. Step 2: Convert to fraction form
    6,162/9,243 = 2,699.25/x
  3. Step 3: Cross multiply
    6,162x = 9,243 × 2,699.25
  4. Step 4: Simplify right side
    6,162x = 24,949,167.75
  5. Step 5: Solve for x
    x = 24,949,167.75/6,162
  6. Step 6: Final answer
    x = 4,048.88

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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.