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Finding the Fourth Proportional to 55,481.97, 83,223.56 and 16,039.42

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Solution

The fourth proportional to 55,481.97, 83,223.56 and 16,039.42 is: 24,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.97 : 83,223.56 = 16,039.42 : x
  2. Step 2: Convert to fraction form
    55,481.97/83,223.56 = 16,039.42/x
  3. Step 3: Cross multiply
    55,481.97x = 83,223.56 × 16,039.42
  4. Step 4: Simplify right side
    55,481.97x = 1,334,857,632.74
  5. Step 5: Solve for x
    x = 1,334,857,632.74/55,481.97
  6. Step 6: Final answer
    x = 24,059.30

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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.