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Finding the Fourth Proportional to 4,231, 6,346.44 and 1,633.88

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Solution

The fourth proportional to 4,231, 6,346.44 and 1,633.88 is: 2,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231 : 6,346.44 = 1,633.88 : x
  2. Step 2: Convert to fraction form
    4,231/6,346.44 = 1,633.88/x
  3. Step 3: Cross multiply
    4,231x = 6,346.44 × 1,633.88
  4. Step 4: Simplify right side
    4,231x = 10,369,321.39
  5. Step 5: Solve for x
    x = 10,369,321.39/4,231
  6. Step 6: Final answer
    x = 2,450.80

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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.