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Finding the Fourth Proportional to 22,058.31, 33,093.65 and 8,919.91

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Solution

The fourth proportional to 22,058.31, 33,093.65 and 8,919.91 is: 13,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,058.31 : 33,093.65 = 8,919.91 : x
  2. Step 2: Convert to fraction form
    22,058.31/33,093.65 = 8,919.91/x
  3. Step 3: Cross multiply
    22,058.31x = 33,093.65 × 8,919.91
  4. Step 4: Simplify right side
    22,058.31x = 295,192,393.06
  5. Step 5: Solve for x
    x = 295,192,393.06/22,058.31
  6. Step 6: Final answer
    x = 13,382.36

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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.