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Finding the Fourth Proportional to 22,621.28, 33,907.91 and 7,614.09

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Solution

The fourth proportional to 22,621.28, 33,907.91 and 7,614.09 is: 11,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,621.28 : 33,907.91 = 7,614.09 : x
  2. Step 2: Convert to fraction form
    22,621.28/33,907.91 = 7,614.09/x
  3. Step 3: Cross multiply
    22,621.28x = 33,907.91 × 7,614.09
  4. Step 4: Simplify right side
    22,621.28x = 258,177,840.38
  5. Step 5: Solve for x
    x = 258,177,840.38/22,621.28
  6. Step 6: Final answer
    x = 11,413.05

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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.