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Finding the Fourth Proportional to 11,097.15, 16,604.03 and 6,638.42

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Solution

The fourth proportional to 11,097.15, 16,604.03 and 6,638.42 is: 9,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.15 : 16,604.03 = 6,638.42 : x
  2. Step 2: Convert to fraction form
    11,097.15/16,604.03 = 6,638.42/x
  3. Step 3: Cross multiply
    11,097.15x = 16,604.03 × 6,638.42
  4. Step 4: Simplify right side
    11,097.15x = 110,224,408.62
  5. Step 5: Solve for x
    x = 110,224,408.62/11,097.15
  6. Step 6: Final answer
    x = 9,932.68

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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.