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Finding the Fourth Proportional to 57,791.26, 79,753.44 and 33,918.94

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Solution

The fourth proportional to 57,791.26, 79,753.44 and 33,918.94 is: 46,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,791.26 : 79,753.44 = 33,918.94 : x
  2. Step 2: Convert to fraction form
    57,791.26/79,753.44 = 33,918.94/x
  3. Step 3: Cross multiply
    57,791.26x = 79,753.44 × 33,918.94
  4. Step 4: Simplify right side
    57,791.26x = 2,705,152,146.15
  5. Step 5: Solve for x
    x = 2,705,152,146.15/57,791.26
  6. Step 6: Final answer
    x = 46,809.02

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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.