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Finding the Fourth Proportional to 4,922.62, 7,382.34 and 1,634.83

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Solution

The fourth proportional to 4,922.62, 7,382.34 and 1,634.83 is: 2,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.62 : 7,382.34 = 1,634.83 : x
  2. Step 2: Convert to fraction form
    4,922.62/7,382.34 = 1,634.83/x
  3. Step 3: Cross multiply
    4,922.62x = 7,382.34 × 1,634.83
  4. Step 4: Simplify right side
    4,922.62x = 12,068,893.97
  5. Step 5: Solve for x
    x = 12,068,893.97/4,922.62
  6. Step 6: Final answer
    x = 2,451.72

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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.