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Finding the Fourth Proportional to 33,751.01, 50,597.81 and 20,612.61

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Solution

The fourth proportional to 33,751.01, 50,597.81 and 20,612.61 is: 30,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,751.01 : 50,597.81 = 20,612.61 : x
  2. Step 2: Convert to fraction form
    33,751.01/50,597.81 = 20,612.61/x
  3. Step 3: Cross multiply
    33,751.01x = 50,597.81 × 20,612.61
  4. Step 4: Simplify right side
    33,751.01x = 1,042,952,821.32
  5. Step 5: Solve for x
    x = 1,042,952,821.32/33,751.01
  6. Step 6: Final answer
    x = 30,901.39

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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.