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Finding the Fourth Proportional to 6,162, 9,243.48 and 2,058

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Solution

The fourth proportional to 6,162, 9,243.48 and 2,058 is: 3,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,162 : 9,243.48 = 2,058 : x
  2. Step 2: Convert to fraction form
    6,162/9,243.48 = 2,058/x
  3. Step 3: Cross multiply
    6,162x = 9,243.48 × 2,058
  4. Step 4: Simplify right side
    6,162x = 19,023,081.84
  5. Step 5: Solve for x
    x = 19,023,081.84/6,162
  6. Step 6: Final answer
    x = 3,087.16

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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.