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Finding the Fourth Proportional to 11,363.97, 17,046.08 and 3,968.45

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Solution

The fourth proportional to 11,363.97, 17,046.08 and 3,968.45 is: 5,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.97 : 17,046.08 = 3,968.45 : x
  2. Step 2: Convert to fraction form
    11,363.97/17,046.08 = 3,968.45/x
  3. Step 3: Cross multiply
    11,363.97x = 17,046.08 × 3,968.45
  4. Step 4: Simplify right side
    11,363.97x = 67,646,516.18
  5. Step 5: Solve for x
    x = 67,646,516.18/11,363.97
  6. Step 6: Final answer
    x = 5,952.72

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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.