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Finding the Fourth Proportional to 6,630.26, 9,951.17 and 3,512.51

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Solution

The fourth proportional to 6,630.26, 9,951.17 and 3,512.51 is: 5,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.26 : 9,951.17 = 3,512.51 : x
  2. Step 2: Convert to fraction form
    6,630.26/9,951.17 = 3,512.51/x
  3. Step 3: Cross multiply
    6,630.26x = 9,951.17 × 3,512.51
  4. Step 4: Simplify right side
    6,630.26x = 34,953,584.14
  5. Step 5: Solve for x
    x = 34,953,584.14/6,630.26
  6. Step 6: Final answer
    x = 5,271.83

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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.