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Finding the Fourth Proportional to 3,193.81, 4,793.62 and 1,634.89

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Solution

The fourth proportional to 3,193.81, 4,793.62 and 1,634.89 is: 2,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.81 : 4,793.62 = 1,634.89 : x
  2. Step 2: Convert to fraction form
    3,193.81/4,793.62 = 1,634.89/x
  3. Step 3: Cross multiply
    3,193.81x = 4,793.62 × 1,634.89
  4. Step 4: Simplify right side
    3,193.81x = 7,837,041.40
  5. Step 5: Solve for x
    x = 7,837,041.40/3,193.81
  6. Step 6: Final answer
    x = 2,453.82

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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.