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Finding the Fourth Proportional to 6,895.13, 9,515.27 and 3,751.31

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Solution

The fourth proportional to 6,895.13, 9,515.27 and 3,751.31 is: 5,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.13 : 9,515.27 = 3,751.31 : x
  2. Step 2: Convert to fraction form
    6,895.13/9,515.27 = 3,751.31/x
  3. Step 3: Cross multiply
    6,895.13x = 9,515.27 × 3,751.31
  4. Step 4: Simplify right side
    6,895.13x = 35,694,760.67
  5. Step 5: Solve for x
    x = 35,694,760.67/6,895.13
  6. Step 6: Final answer
    x = 5,176.81

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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.