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Finding the Fourth Proportional to 23,413.62, 35,103.99 and 8,620.65

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Solution

The fourth proportional to 23,413.62, 35,103.99 and 8,620.65 is: 12,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,413.62 : 35,103.99 = 8,620.65 : x
  2. Step 2: Convert to fraction form
    23,413.62/35,103.99 = 8,620.65/x
  3. Step 3: Cross multiply
    23,413.62x = 35,103.99 × 8,620.65
  4. Step 4: Simplify right side
    23,413.62x = 302,619,211.39
  5. Step 5: Solve for x
    x = 302,619,211.39/23,413.62
  6. Step 6: Final answer
    x = 12,924.92

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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.