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Finding the Fourth Proportional to 33,381.96, 50,072.70 and 10,008.39

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Solution

The fourth proportional to 33,381.96, 50,072.70 and 10,008.39 is: 15,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,381.96 : 50,072.70 = 10,008.39 : x
  2. Step 2: Convert to fraction form
    33,381.96/50,072.70 = 10,008.39/x
  3. Step 3: Cross multiply
    33,381.96x = 50,072.70 × 10,008.39
  4. Step 4: Simplify right side
    33,381.96x = 501,147,109.95
  5. Step 5: Solve for x
    x = 501,147,109.95/33,381.96
  6. Step 6: Final answer
    x = 15,012.51

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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.