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Finding the Fourth Proportional to 33,757.68, 50,642.28 and 10,379.76

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Solution

The fourth proportional to 33,757.68, 50,642.28 and 10,379.76 is: 15,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,757.68 : 50,642.28 = 10,379.76 : x
  2. Step 2: Convert to fraction form
    33,757.68/50,642.28 = 10,379.76/x
  3. Step 3: Cross multiply
    33,757.68x = 50,642.28 × 10,379.76
  4. Step 4: Simplify right side
    33,757.68x = 525,654,712.25
  5. Step 5: Solve for x
    x = 525,654,712.25/33,757.68
  6. Step 6: Final answer
    x = 15,571.41

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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.