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Finding the Fourth Proportional to 22,029.92, 33,054.60 and 8,907.92

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Solution

The fourth proportional to 22,029.92, 33,054.60 and 8,907.92 is: 13,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.92 : 33,054.60 = 8,907.92 : x
  2. Step 2: Convert to fraction form
    22,029.92/33,054.60 = 8,907.92/x
  3. Step 3: Cross multiply
    22,029.92x = 33,054.60 × 8,907.92
  4. Step 4: Simplify right side
    22,029.92x = 294,447,732.43
  5. Step 5: Solve for x
    x = 294,447,732.43/22,029.92
  6. Step 6: Final answer
    x = 13,365.81

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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.