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Finding the Fourth Proportional to 33,235.36, 49,736.03 and 20,761.26

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Solution

The fourth proportional to 33,235.36, 49,736.03 and 20,761.26 is: 31,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,235.36 : 49,736.03 = 20,761.26 : x
  2. Step 2: Convert to fraction form
    33,235.36/49,736.03 = 20,761.26/x
  3. Step 3: Cross multiply
    33,235.36x = 49,736.03 × 20,761.26
  4. Step 4: Simplify right side
    33,235.36x = 1,032,582,639.65
  5. Step 5: Solve for x
    x = 1,032,582,639.65/33,235.36
  6. Step 6: Final answer
    x = 31,068.79

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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.