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Finding the Fourth Proportional to 8,413.67, 12,622.12 and 2,867.33

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Solution

The fourth proportional to 8,413.67, 12,622.12 and 2,867.33 is: 4,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.67 : 12,622.12 = 2,867.33 : x
  2. Step 2: Convert to fraction form
    8,413.67/12,622.12 = 2,867.33/x
  3. Step 3: Cross multiply
    8,413.67x = 12,622.12 × 2,867.33
  4. Step 4: Simplify right side
    8,413.67x = 36,191,713.06
  5. Step 5: Solve for x
    x = 36,191,713.06/8,413.67
  6. Step 6: Final answer
    x = 4,301.54

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1.5x scale

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.