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Finding the Fourth Proportional to 3,832.61, 5,749.97 and 1,367.66

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Solution

The fourth proportional to 3,832.61, 5,749.97 and 1,367.66 is: 2,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.61 : 5,749.97 = 1,367.66 : x
  2. Step 2: Convert to fraction form
    3,832.61/5,749.97 = 1,367.66/x
  3. Step 3: Cross multiply
    3,832.61x = 5,749.97 × 1,367.66
  4. Step 4: Simplify right side
    3,832.61x = 7,864,011.51
  5. Step 5: Solve for x
    x = 7,864,011.51/3,832.61
  6. Step 6: Final answer
    x = 2,051.87

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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.