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Finding the Fourth Proportional to 63,815.73, 88,064.24 and 39,955.56

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Solution

The fourth proportional to 63,815.73, 88,064.24 and 39,955.56 is: 55,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,815.73 : 88,064.24 = 39,955.56 : x
  2. Step 2: Convert to fraction form
    63,815.73/88,064.24 = 39,955.56/x
  3. Step 3: Cross multiply
    63,815.73x = 88,064.24 × 39,955.56
  4. Step 4: Simplify right side
    63,815.73x = 3,518,655,584.85
  5. Step 5: Solve for x
    x = 3,518,655,584.85/63,815.73
  6. Step 6: Final answer
    x = 55,137.75

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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.