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Finding the Fourth Proportional to 24,281.25, 36,413.06 and 8,481.85

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Solution

The fourth proportional to 24,281.25, 36,413.06 and 8,481.85 is: 12,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,281.25 : 36,413.06 = 8,481.85 : x
  2. Step 2: Convert to fraction form
    24,281.25/36,413.06 = 8,481.85/x
  3. Step 3: Cross multiply
    24,281.25x = 36,413.06 × 8,481.85
  4. Step 4: Simplify right side
    24,281.25x = 308,850,112.96
  5. Step 5: Solve for x
    x = 308,850,112.96/24,281.25
  6. Step 6: Final answer
    x = 12,719.70

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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.