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Finding the Fourth Proportional to 3,971.88, 5,958.42 and 1,473.88

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Solution

The fourth proportional to 3,971.88, 5,958.42 and 1,473.88 is: 2,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.88 : 5,958.42 = 1,473.88 : x
  2. Step 2: Convert to fraction form
    3,971.88/5,958.42 = 1,473.88/x
  3. Step 3: Cross multiply
    3,971.88x = 5,958.42 × 1,473.88
  4. Step 4: Simplify right side
    3,971.88x = 8,781,996.07
  5. Step 5: Solve for x
    x = 8,781,996.07/3,971.88
  6. Step 6: Final answer
    x = 2,211.04

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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.