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Finding the Fourth Proportional to 6,951.75, 10,428.94 and 2,792.09

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Solution

The fourth proportional to 6,951.75, 10,428.94 and 2,792.09 is: 4,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.75 : 10,428.94 = 2,792.09 : x
  2. Step 2: Convert to fraction form
    6,951.75/10,428.94 = 2,792.09/x
  3. Step 3: Cross multiply
    6,951.75x = 10,428.94 × 2,792.09
  4. Step 4: Simplify right side
    6,951.75x = 29,118,479.96
  5. Step 5: Solve for x
    x = 29,118,479.96/6,951.75
  6. Step 6: Final answer
    x = 4,188.65

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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.