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Finding the Fourth Proportional to 6,351.24, 8,817.51 and 6,161.16

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Solution

The fourth proportional to 6,351.24, 8,817.51 and 6,161.16 is: 8,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.24 : 8,817.51 = 6,161.16 : x
  2. Step 2: Convert to fraction form
    6,351.24/8,817.51 = 6,161.16/x
  3. Step 3: Cross multiply
    6,351.24x = 8,817.51 × 6,161.16
  4. Step 4: Simplify right side
    6,351.24x = 54,326,089.91
  5. Step 5: Solve for x
    x = 54,326,089.91/6,351.24
  6. Step 6: Final answer
    x = 8,553.62

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.