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Finding the Fourth Proportional to 8,771.93, 13,163.08 and 3,229.17

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Solution

The fourth proportional to 8,771.93, 13,163.08 and 3,229.17 is: 4,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.93 : 13,163.08 = 3,229.17 : x
  2. Step 2: Convert to fraction form
    8,771.93/13,163.08 = 3,229.17/x
  3. Step 3: Cross multiply
    8,771.93x = 13,163.08 × 3,229.17
  4. Step 4: Simplify right side
    8,771.93x = 42,505,741.08
  5. Step 5: Solve for x
    x = 42,505,741.08/8,771.93
  6. Step 6: Final answer
    x = 4,845.66

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1.5x scale

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.