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Finding the Fourth Proportional to 3,968.19, 5,952.69 and 3,951.99

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Solution

The fourth proportional to 3,968.19, 5,952.69 and 3,951.99 is: 5,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.19 : 5,952.69 = 3,951.99 : x
  2. Step 2: Convert to fraction form
    3,968.19/5,952.69 = 3,951.99/x
  3. Step 3: Cross multiply
    3,968.19x = 5,952.69 × 3,951.99
  4. Step 4: Simplify right side
    3,968.19x = 23,524,971.35
  5. Step 5: Solve for x
    x = 23,524,971.35/3,968.19
  6. Step 6: Final answer
    x = 5,928.39

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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.