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Finding the Fourth Proportional to 5,915.62, 8,163.53 and 3,226.99

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Solution

The fourth proportional to 5,915.62, 8,163.53 and 3,226.99 is: 4,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.62 : 8,163.53 = 3,226.99 : x
  2. Step 2: Convert to fraction form
    5,915.62/8,163.53 = 3,226.99/x
  3. Step 3: Cross multiply
    5,915.62x = 8,163.53 × 3,226.99
  4. Step 4: Simplify right side
    5,915.62x = 26,343,613.54
  5. Step 5: Solve for x
    x = 26,343,613.54/5,915.62
  6. Step 6: Final answer
    x = 4,453.23

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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.