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Finding the Fourth Proportional to 33,396.80, 50,093.80 and 8,436.48

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Solution

The fourth proportional to 33,396.80, 50,093.80 and 8,436.48 is: 12,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,396.80 : 50,093.80 = 8,436.48 : x
  2. Step 2: Convert to fraction form
    33,396.80/50,093.80 = 8,436.48/x
  3. Step 3: Cross multiply
    33,396.80x = 50,093.80 × 8,436.48
  4. Step 4: Simplify right side
    33,396.80x = 422,615,341.82
  5. Step 5: Solve for x
    x = 422,615,341.82/33,396.80
  6. Step 6: Final answer
    x = 12,654.37

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1.5x scale

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.