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Finding the Fourth Proportional to 62,963.73, 86,892.24 and 39,103.56

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Solution

The fourth proportional to 62,963.73, 86,892.24 and 39,103.56 is: 53,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,963.73 : 86,892.24 = 39,103.56 : x
  2. Step 2: Convert to fraction form
    62,963.73/86,892.24 = 39,103.56/x
  3. Step 3: Cross multiply
    62,963.73x = 86,892.24 × 39,103.56
  4. Step 4: Simplify right side
    62,963.73x = 3,397,796,067.01
  5. Step 5: Solve for x
    x = 3,397,796,067.01/62,963.73
  6. Step 6: Final answer
    x = 53,964.34

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1.5x scale

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.