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Finding the Fourth Proportional to 6,892.49, 9,512.13 and 3,908.59

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Solution

The fourth proportional to 6,892.49, 9,512.13 and 3,908.59 is: 5,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.49 : 9,512.13 = 3,908.59 : x
  2. Step 2: Convert to fraction form
    6,892.49/9,512.13 = 3,908.59/x
  3. Step 3: Cross multiply
    6,892.49x = 9,512.13 × 3,908.59
  4. Step 4: Simplify right side
    6,892.49x = 37,179,007.07
  5. Step 5: Solve for x
    x = 37,179,007.07/6,892.49
  6. Step 6: Final answer
    x = 5,394.13

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