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Finding the Fourth Proportional to 3,671.99, 5,500.59 and 1,694.84

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Solution

The fourth proportional to 3,671.99, 5,500.59 and 1,694.84 is: 2,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.99 : 5,500.59 = 1,694.84 : x
  2. Step 2: Convert to fraction form
    3,671.99/5,500.59 = 1,694.84/x
  3. Step 3: Cross multiply
    3,671.99x = 5,500.59 × 1,694.84
  4. Step 4: Simplify right side
    3,671.99x = 9,322,619.96
  5. Step 5: Solve for x
    x = 9,322,619.96/3,671.99
  6. Step 6: Final answer
    x = 2,538.85

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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.