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Finding the Fourth Proportional to 33,941.70, 50,876.10 and 12,873.60

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Solution

The fourth proportional to 33,941.70, 50,876.10 and 12,873.60 is: 19,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,941.70 : 50,876.10 = 12,873.60 : x
  2. Step 2: Convert to fraction form
    33,941.70/50,876.10 = 12,873.60/x
  3. Step 3: Cross multiply
    33,941.70x = 50,876.10 × 12,873.60
  4. Step 4: Simplify right side
    33,941.70x = 654,958,560.96
  5. Step 5: Solve for x
    x = 654,958,560.96/33,941.70
  6. Step 6: Final answer
    x = 19,296.58

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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.