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Finding the Fourth Proportional to 63,817.73, 88,067 and 39,957.56

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Solution

The fourth proportional to 63,817.73, 88,067 and 39,957.56 is: 55,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,817.73 : 88,067 = 39,957.56 : x
  2. Step 2: Convert to fraction form
    63,817.73/88,067 = 39,957.56/x
  3. Step 3: Cross multiply
    63,817.73x = 88,067 × 39,957.56
  4. Step 4: Simplify right side
    63,817.73x = 3,518,942,436.52
  5. Step 5: Solve for x
    x = 3,518,942,436.52/63,817.73
  6. Step 6: Final answer
    x = 55,140.51

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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.