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Finding the Fourth Proportional to 6,899.29, 9,523.17 and 3,917.11

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Solution

The fourth proportional to 6,899.29, 9,523.17 and 3,917.11 is: 5,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.29 : 9,523.17 = 3,917.11 : x
  2. Step 2: Convert to fraction form
    6,899.29/9,523.17 = 3,917.11/x
  3. Step 3: Cross multiply
    6,899.29x = 9,523.17 × 3,917.11
  4. Step 4: Simplify right side
    6,899.29x = 37,303,304.44
  5. Step 5: Solve for x
    x = 37,303,304.44/6,899.29
  6. Step 6: Final answer
    x = 5,406.83

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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.