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Finding the Fourth Proportional to 33,990.54, 50,976.90 and 15,260.10

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Solution

The fourth proportional to 33,990.54, 50,976.90 and 15,260.10 is: 22,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.54 : 50,976.90 = 15,260.10 : x
  2. Step 2: Convert to fraction form
    33,990.54/50,976.90 = 15,260.10/x
  3. Step 3: Cross multiply
    33,990.54x = 50,976.90 × 15,260.10
  4. Step 4: Simplify right side
    33,990.54x = 777,912,591.69
  5. Step 5: Solve for x
    x = 777,912,591.69/33,990.54
  6. Step 6: Final answer
    x = 22,886.15

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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.