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Finding the Fourth Proportional to 57,394.90, 86,092.22 and 15,274.97

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Solution

The fourth proportional to 57,394.90, 86,092.22 and 15,274.97 is: 22,912.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,394.90 : 86,092.22 = 15,274.97 : x
  2. Step 2: Convert to fraction form
    57,394.90/86,092.22 = 15,274.97/x
  3. Step 3: Cross multiply
    57,394.90x = 86,092.22 × 15,274.97
  4. Step 4: Simplify right side
    57,394.90x = 1,315,055,922.38
  5. Step 5: Solve for x
    x = 1,315,055,922.38/57,394.90
  6. Step 6: Final answer
    x = 22,912.42

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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.