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Finding the Fourth Proportional to 35,791.92, 53,687.84 and 15,015.42

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Solution

The fourth proportional to 35,791.92, 53,687.84 and 15,015.42 is: 22,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.92 : 53,687.84 = 15,015.42 : x
  2. Step 2: Convert to fraction form
    35,791.92/53,687.84 = 15,015.42/x
  3. Step 3: Cross multiply
    35,791.92x = 53,687.84 × 15,015.42
  4. Step 4: Simplify right side
    35,791.92x = 806,145,391.42
  5. Step 5: Solve for x
    x = 806,145,391.42/35,791.92
  6. Step 6: Final answer
    x = 22,523.11

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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.