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Finding the Fourth Proportional to 3,369.35, 5,054.43 and 1,148.55

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Solution

The fourth proportional to 3,369.35, 5,054.43 and 1,148.55 is: 1,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.35 : 5,054.43 = 1,148.55 : x
  2. Step 2: Convert to fraction form
    3,369.35/5,054.43 = 1,148.55/x
  3. Step 3: Cross multiply
    3,369.35x = 5,054.43 × 1,148.55
  4. Step 4: Simplify right side
    3,369.35x = 5,805,265.58
  5. Step 5: Solve for x
    x = 5,805,265.58/3,369.35
  6. Step 6: Final answer
    x = 1,722.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.