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Finding the Fourth Proportional to 8,413.50, 12,625.65 and 3,796.50

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Solution

The fourth proportional to 8,413.50, 12,625.65 and 3,796.50 is: 5,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.50 : 12,625.65 = 3,796.50 : x
  2. Step 2: Convert to fraction form
    8,413.50/12,625.65 = 3,796.50/x
  3. Step 3: Cross multiply
    8,413.50x = 12,625.65 × 3,796.50
  4. Step 4: Simplify right side
    8,413.50x = 47,933,280.23
  5. Step 5: Solve for x
    x = 47,933,280.23/8,413.50
  6. Step 6: Final answer
    x = 5,697.19

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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.