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Finding the Fourth Proportional to 33,997.13, 50,978.16 and 15,261.09

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Solution

The fourth proportional to 33,997.13, 50,978.16 and 15,261.09 is: 22,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,997.13 : 50,978.16 = 15,261.09 : x
  2. Step 2: Convert to fraction form
    33,997.13/50,978.16 = 15,261.09/x
  3. Step 3: Cross multiply
    33,997.13x = 50,978.16 × 15,261.09
  4. Step 4: Simplify right side
    33,997.13x = 777,982,287.79
  5. Step 5: Solve for x
    x = 777,982,287.79/33,997.13
  6. Step 6: Final answer
    x = 22,883.76

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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.