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Finding the Fourth Proportional to 55,737.21, 83,396.31 and 33,164.79

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Solution

The fourth proportional to 55,737.21, 83,396.31 and 33,164.79 is: 49,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,737.21 : 83,396.31 = 33,164.79 : x
  2. Step 2: Convert to fraction form
    55,737.21/83,396.31 = 33,164.79/x
  3. Step 3: Cross multiply
    55,737.21x = 83,396.31 × 33,164.79
  4. Step 4: Simplify right side
    55,737.21x = 2,765,821,233.20
  5. Step 5: Solve for x
    x = 2,765,821,233.20/55,737.21
  6. Step 6: Final answer
    x = 49,622.52

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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.