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Finding the Fourth Proportional to 22,940.65, 34,413.02 and 8,900.34

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Solution

The fourth proportional to 22,940.65, 34,413.02 and 8,900.34 is: 13,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,940.65 : 34,413.02 = 8,900.34 : x
  2. Step 2: Convert to fraction form
    22,940.65/34,413.02 = 8,900.34/x
  3. Step 3: Cross multiply
    22,940.65x = 34,413.02 × 8,900.34
  4. Step 4: Simplify right side
    22,940.65x = 306,287,578.43
  5. Step 5: Solve for x
    x = 306,287,578.43/22,940.65
  6. Step 6: Final answer
    x = 13,351.30

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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.