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Finding the Fourth Proportional to 8,763.15, 13,136.22 and 3,496.64

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Solution

The fourth proportional to 8,763.15, 13,136.22 and 3,496.64 is: 5,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.15 : 13,136.22 = 3,496.64 : x
  2. Step 2: Convert to fraction form
    8,763.15/13,136.22 = 3,496.64/x
  3. Step 3: Cross multiply
    8,763.15x = 13,136.22 × 3,496.64
  4. Step 4: Simplify right side
    8,763.15x = 45,932,566.62
  5. Step 5: Solve for x
    x = 45,932,566.62/8,763.15
  6. Step 6: Final answer
    x = 5,241.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.