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Finding the Fourth Proportional to 3,664.69, 5,497.86 and 1,199.68

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Solution

The fourth proportional to 3,664.69, 5,497.86 and 1,199.68 is: 1,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.69 : 5,497.86 = 1,199.68 : x
  2. Step 2: Convert to fraction form
    3,664.69/5,497.86 = 1,199.68/x
  3. Step 3: Cross multiply
    3,664.69x = 5,497.86 × 1,199.68
  4. Step 4: Simplify right side
    3,664.69x = 6,595,672.68
  5. Step 5: Solve for x
    x = 6,595,672.68/3,664.69
  6. Step 6: Final answer
    x = 1,799.79

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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.