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Finding the Fourth Proportional to 5,942.72, 8,910.30 and 3,017

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Solution

The fourth proportional to 5,942.72, 8,910.30 and 3,017 is: 4,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.72 : 8,910.30 = 3,017 : x
  2. Step 2: Convert to fraction form
    5,942.72/8,910.30 = 3,017/x
  3. Step 3: Cross multiply
    5,942.72x = 8,910.30 × 3,017
  4. Step 4: Simplify right side
    5,942.72x = 26,882,375.10
  5. Step 5: Solve for x
    x = 26,882,375.10/5,942.72
  6. Step 6: Final answer
    x = 4,523.58

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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.