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Finding the Fourth Proportional to 55,751.92, 83,491.50 and 50,354.44

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Solution

The fourth proportional to 55,751.92, 83,491.50 and 50,354.44 is: 75,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,751.92 : 83,491.50 = 50,354.44 : x
  2. Step 2: Convert to fraction form
    55,751.92/83,491.50 = 50,354.44/x
  3. Step 3: Cross multiply
    55,751.92x = 83,491.50 × 50,354.44
  4. Step 4: Simplify right side
    55,751.92x = 4,204,167,727.26
  5. Step 5: Solve for x
    x = 4,204,167,727.26/55,751.92
  6. Step 6: Final answer
    x = 75,408.48

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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.