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Finding the Fourth Proportional to 53,942.49, 80,941.02 and 36,375.39

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Solution

The fourth proportional to 53,942.49, 80,941.02 and 36,375.39 is: 54,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,942.49 : 80,941.02 = 36,375.39 : x
  2. Step 2: Convert to fraction form
    53,942.49/80,941.02 = 36,375.39/x
  3. Step 3: Cross multiply
    53,942.49x = 80,941.02 × 36,375.39
  4. Step 4: Simplify right side
    53,942.49x = 2,944,261,169.50
  5. Step 5: Solve for x
    x = 2,944,261,169.50/53,942.49
  6. Step 6: Final answer
    x = 54,581.48

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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.