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Finding the Fourth Proportional to 6,245.95, 8,619.25 and 3,413.33

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Solution

The fourth proportional to 6,245.95, 8,619.25 and 3,413.33 is: 4,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.95 : 8,619.25 = 3,413.33 : x
  2. Step 2: Convert to fraction form
    6,245.95/8,619.25 = 3,413.33/x
  3. Step 3: Cross multiply
    6,245.95x = 8,619.25 × 3,413.33
  4. Step 4: Simplify right side
    6,245.95x = 29,420,344.60
  5. Step 5: Solve for x
    x = 29,420,344.60/6,245.95
  6. Step 6: Final answer
    x = 4,710.31

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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.