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Finding the Fourth Proportional to 2,468.84, 3,703.26 and 1,081.85

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Solution

The fourth proportional to 2,468.84, 3,703.26 and 1,081.85 is: 1,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.84 : 3,703.26 = 1,081.85 : x
  2. Step 2: Convert to fraction form
    2,468.84/3,703.26 = 1,081.85/x
  3. Step 3: Cross multiply
    2,468.84x = 3,703.26 × 1,081.85
  4. Step 4: Simplify right side
    2,468.84x = 4,006,371.83
  5. Step 5: Solve for x
    x = 4,006,371.83/2,468.84
  6. Step 6: Final answer
    x = 1,622.78

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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.