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Finding the Fourth Proportional to 3,375.99, 5,063.90 and 1,895.21

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Solution

The fourth proportional to 3,375.99, 5,063.90 and 1,895.21 is: 2,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.99 : 5,063.90 = 1,895.21 : x
  2. Step 2: Convert to fraction form
    3,375.99/5,063.90 = 1,895.21/x
  3. Step 3: Cross multiply
    3,375.99x = 5,063.90 × 1,895.21
  4. Step 4: Simplify right side
    3,375.99x = 9,597,138.11
  5. Step 5: Solve for x
    x = 9,597,138.11/3,375.99
  6. Step 6: Final answer
    x = 2,842.76

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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.