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Finding the Fourth Proportional to 3,833.89, 5,751.29 and 1,369.06

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Solution

The fourth proportional to 3,833.89, 5,751.29 and 1,369.06 is: 2,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.89 : 5,751.29 = 1,369.06 : x
  2. Step 2: Convert to fraction form
    3,833.89/5,751.29 = 1,369.06/x
  3. Step 3: Cross multiply
    3,833.89x = 5,751.29 × 1,369.06
  4. Step 4: Simplify right side
    3,833.89x = 7,873,861.09
  5. Step 5: Solve for x
    x = 7,873,861.09/3,833.89
  6. Step 6: Final answer
    x = 2,053.75

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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.