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Finding the Fourth Proportional to 63,413.78, 95,147.22 and 27,856.76

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Solution

The fourth proportional to 63,413.78, 95,147.22 and 27,856.76 is: 41,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,413.78 : 95,147.22 = 27,856.76 : x
  2. Step 2: Convert to fraction form
    63,413.78/95,147.22 = 27,856.76/x
  3. Step 3: Cross multiply
    63,413.78x = 95,147.22 × 27,856.76
  4. Step 4: Simplify right side
    63,413.78x = 2,650,493,272.21
  5. Step 5: Solve for x
    x = 2,650,493,272.21/63,413.78
  6. Step 6: Final answer
    x = 41,796.80

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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.