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Finding the Fourth Proportional to 22,553.56, 33,840.06 and 9,408.52

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Solution

The fourth proportional to 22,553.56, 33,840.06 and 9,408.52 is: 14,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,553.56 : 33,840.06 = 9,408.52 : x
  2. Step 2: Convert to fraction form
    22,553.56/33,840.06 = 9,408.52/x
  3. Step 3: Cross multiply
    22,553.56x = 33,840.06 × 9,408.52
  4. Step 4: Simplify right side
    22,553.56x = 318,384,881.31
  5. Step 5: Solve for x
    x = 318,384,881.31/22,553.56
  6. Step 6: Final answer
    x = 14,116.83

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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.