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Finding the Fourth Proportional to 5,842.35, 8,062.47 and 3,189.82

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Solution

The fourth proportional to 5,842.35, 8,062.47 and 3,189.82 is: 4,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.35 : 8,062.47 = 3,189.82 : x
  2. Step 2: Convert to fraction form
    5,842.35/8,062.47 = 3,189.82/x
  3. Step 3: Cross multiply
    5,842.35x = 8,062.47 × 3,189.82
  4. Step 4: Simplify right side
    5,842.35x = 25,717,838.13
  5. Step 5: Solve for x
    x = 25,717,838.13/5,842.35
  6. Step 6: Final answer
    x = 4,401.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.