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Finding the Fourth Proportional to 3,694.58, 5,538.95 and 1,844.74

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Solution

The fourth proportional to 3,694.58, 5,538.95 and 1,844.74 is: 2,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.58 : 5,538.95 = 1,844.74 : x
  2. Step 2: Convert to fraction form
    3,694.58/5,538.95 = 1,844.74/x
  3. Step 3: Cross multiply
    3,694.58x = 5,538.95 × 1,844.74
  4. Step 4: Simplify right side
    3,694.58x = 10,217,922.62
  5. Step 5: Solve for x
    x = 10,217,922.62/3,694.58
  6. Step 6: Final answer
    x = 2,765.65

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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.