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Finding the Fourth Proportional to 33,293.35, 49,939.57 and 8,333.31

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Solution

The fourth proportional to 33,293.35, 49,939.57 and 8,333.31 is: 12,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,293.35 : 49,939.57 = 8,333.31 : x
  2. Step 2: Convert to fraction form
    33,293.35/49,939.57 = 8,333.31/x
  3. Step 3: Cross multiply
    33,293.35x = 49,939.57 × 8,333.31
  4. Step 4: Simplify right side
    33,293.35x = 416,161,918.08
  5. Step 5: Solve for x
    x = 416,161,918.08/33,293.35
  6. Step 6: Final answer
    x = 12,499.85

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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.