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Finding the Fourth Proportional to 2,605.46, 3,910.01 and 2,375.82

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Solution

The fourth proportional to 2,605.46, 3,910.01 and 2,375.82 is: 3,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.46 : 3,910.01 = 2,375.82 : x
  2. Step 2: Convert to fraction form
    2,605.46/3,910.01 = 2,375.82/x
  3. Step 3: Cross multiply
    2,605.46x = 3,910.01 × 2,375.82
  4. Step 4: Simplify right side
    2,605.46x = 9,289,468.08
  5. Step 5: Solve for x
    x = 9,289,468.08/2,605.46
  6. Step 6: Final answer
    x = 3,565.39

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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.