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Finding the Fourth Proportional to 33,997.48, 50,978.63 and 15,261.39

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Solution

The fourth proportional to 33,997.48, 50,978.63 and 15,261.39 is: 22,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,997.48 : 50,978.63 = 15,261.39 : x
  2. Step 2: Convert to fraction form
    33,997.48/50,978.63 = 15,261.39/x
  3. Step 3: Cross multiply
    33,997.48x = 50,978.63 × 15,261.39
  4. Step 4: Simplify right side
    33,997.48x = 778,004,754.10
  5. Step 5: Solve for x
    x = 778,004,754.10/33,997.48
  6. Step 6: Final answer
    x = 22,884.19

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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.