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Finding the Fourth Proportional to 11,763.92, 17,629.77 and 4,361.22

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Solution

The fourth proportional to 11,763.92, 17,629.77 and 4,361.22 is: 6,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.92 : 17,629.77 = 4,361.22 : x
  2. Step 2: Convert to fraction form
    11,763.92/17,629.77 = 4,361.22/x
  3. Step 3: Cross multiply
    11,763.92x = 17,629.77 × 4,361.22
  4. Step 4: Simplify right side
    11,763.92x = 76,887,305.52
  5. Step 5: Solve for x
    x = 76,887,305.52/11,763.92
  6. Step 6: Final answer
    x = 6,535.86

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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.