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Finding the Fourth Proportional to 8,273.22, 12,413.07 and 3,079.50

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Solution

The fourth proportional to 8,273.22, 12,413.07 and 3,079.50 is: 4,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.22 : 12,413.07 = 3,079.50 : x
  2. Step 2: Convert to fraction form
    8,273.22/12,413.07 = 3,079.50/x
  3. Step 3: Cross multiply
    8,273.22x = 12,413.07 × 3,079.50
  4. Step 4: Simplify right side
    8,273.22x = 38,226,049.07
  5. Step 5: Solve for x
    x = 38,226,049.07/8,273.22
  6. Step 6: Final answer
    x = 4,620.46

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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.