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Finding the Fourth Proportional to 33,972.66, 50,958.66 and 20,649.33

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Solution

The fourth proportional to 33,972.66, 50,958.66 and 20,649.33 is: 30,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,972.66 : 50,958.66 = 20,649.33 : x
  2. Step 2: Convert to fraction form
    33,972.66/50,958.66 = 20,649.33/x
  3. Step 3: Cross multiply
    33,972.66x = 50,958.66 × 20,649.33
  4. Step 4: Simplify right side
    33,972.66x = 1,052,262,186.70
  5. Step 5: Solve for x
    x = 1,052,262,186.70/33,972.66
  6. Step 6: Final answer
    x = 30,973.79

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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.