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Finding the Fourth Proportional to 3,369.61, 5,054.73 and 1,394.83

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Solution

The fourth proportional to 3,369.61, 5,054.73 and 1,394.83 is: 2,092.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.61 : 5,054.73 = 1,394.83 : x
  2. Step 2: Convert to fraction form
    3,369.61/5,054.73 = 1,394.83/x
  3. Step 3: Cross multiply
    3,369.61x = 5,054.73 × 1,394.83
  4. Step 4: Simplify right side
    3,369.61x = 7,050,489.05
  5. Step 5: Solve for x
    x = 7,050,489.05/3,369.61
  6. Step 6: Final answer
    x = 2,092.38

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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.