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Finding the Fourth Proportional to 63,911.07, 95,866.62 and 17,163.95

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Solution

The fourth proportional to 63,911.07, 95,866.62 and 17,163.95 is: 25,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,911.07 : 95,866.62 = 17,163.95 : x
  2. Step 2: Convert to fraction form
    63,911.07/95,866.62 = 17,163.95/x
  3. Step 3: Cross multiply
    63,911.07x = 95,866.62 × 17,163.95
  4. Step 4: Simplify right side
    63,911.07x = 1,645,449,328.65
  5. Step 5: Solve for x
    x = 1,645,449,328.65/63,911.07
  6. Step 6: Final answer
    x = 25,745.92

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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.