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Finding the Fourth Proportional to 11,579.96, 17,369.94 and 3,260.82

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Solution

The fourth proportional to 11,579.96, 17,369.94 and 3,260.82 is: 4,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.96 : 17,369.94 = 3,260.82 : x
  2. Step 2: Convert to fraction form
    11,579.96/17,369.94 = 3,260.82/x
  3. Step 3: Cross multiply
    11,579.96x = 17,369.94 × 3,260.82
  4. Step 4: Simplify right side
    11,579.96x = 56,640,247.75
  5. Step 5: Solve for x
    x = 56,640,247.75/11,579.96
  6. Step 6: Final answer
    x = 4,891.23

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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.