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Finding the Fourth Proportional to 57,356.48, 79,138.09 and 33,469.52

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Solution

The fourth proportional to 57,356.48, 79,138.09 and 33,469.52 is: 46,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.48 : 79,138.09 = 33,469.52 : x
  2. Step 2: Convert to fraction form
    57,356.48/79,138.09 = 33,469.52/x
  3. Step 3: Cross multiply
    57,356.48x = 79,138.09 × 33,469.52
  4. Step 4: Simplify right side
    57,356.48x = 2,648,713,322.98
  5. Step 5: Solve for x
    x = 2,648,713,322.98/57,356.48
  6. Step 6: Final answer
    x = 46,179.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.