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Finding the Fourth Proportional to 9,901.85, 14,855.00 and 3,327.85

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Solution

The fourth proportional to 9,901.85, 14,855.00 and 3,327.85 is: 4,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.85 : 14,855.00 = 3,327.85 : x
  2. Step 2: Convert to fraction form
    9,901.85/14,855.00 = 3,327.85/x
  3. Step 3: Cross multiply
    9,901.85x = 14,855.00 × 3,327.85
  4. Step 4: Simplify right side
    9,901.85x = 49,435,213.68
  5. Step 5: Solve for x
    x = 49,435,213.68/9,901.85
  6. Step 6: Final answer
    x = 4,992.53

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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.