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Finding the Fourth Proportional to 6,103.72, 8,423.15 and 3,309.22

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Solution

The fourth proportional to 6,103.72, 8,423.15 and 3,309.22 is: 4,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.72 : 8,423.15 = 3,309.22 : x
  2. Step 2: Convert to fraction form
    6,103.72/8,423.15 = 3,309.22/x
  3. Step 3: Cross multiply
    6,103.72x = 8,423.15 × 3,309.22
  4. Step 4: Simplify right side
    6,103.72x = 27,874,056.44
  5. Step 5: Solve for x
    x = 27,874,056.44/6,103.72
  6. Step 6: Final answer
    x = 4,566.73

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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.