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Finding the Fourth Proportional to 33,560.81, 50,380.10 and 18,008.81

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Solution

The fourth proportional to 33,560.81, 50,380.10 and 18,008.81 is: 27,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,560.81 : 50,380.10 = 18,008.81 : x
  2. Step 2: Convert to fraction form
    33,560.81/50,380.10 = 18,008.81/x
  3. Step 3: Cross multiply
    33,560.81x = 50,380.10 × 18,008.81
  4. Step 4: Simplify right side
    33,560.81x = 907,285,648.68
  5. Step 5: Solve for x
    x = 907,285,648.68/33,560.81
  6. Step 6: Final answer
    x = 27,034.08

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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.