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Finding the Fourth Proportional to 33,397.30, 50,078.94 and 10,020.70

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Solution

The fourth proportional to 33,397.30, 50,078.94 and 10,020.70 is: 15,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,397.30 : 50,078.94 = 10,020.70 : x
  2. Step 2: Convert to fraction form
    33,397.30/50,078.94 = 10,020.70/x
  3. Step 3: Cross multiply
    33,397.30x = 50,078.94 × 10,020.70
  4. Step 4: Simplify right side
    33,397.30x = 501,826,034.06
  5. Step 5: Solve for x
    x = 501,826,034.06/33,397.30
  6. Step 6: Final answer
    x = 15,025.95

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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.