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Finding the Fourth Proportional to 6,531.84, 9,796.77 and 2,149.29

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Solution

The fourth proportional to 6,531.84, 9,796.77 and 2,149.29 is: 3,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.84 : 9,796.77 = 2,149.29 : x
  2. Step 2: Convert to fraction form
    6,531.84/9,796.77 = 2,149.29/x
  3. Step 3: Cross multiply
    6,531.84x = 9,796.77 × 2,149.29
  4. Step 4: Simplify right side
    6,531.84x = 21,056,099.79
  5. Step 5: Solve for x
    x = 21,056,099.79/6,531.84
  6. Step 6: Final answer
    x = 3,223.61

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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.