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Finding the Fourth Proportional to 3,969.19, 5,954.19 and 3,952.99

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Solution

The fourth proportional to 3,969.19, 5,954.19 and 3,952.99 is: 5,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.19 : 5,954.19 = 3,952.99 : x
  2. Step 2: Convert to fraction form
    3,969.19/5,954.19 = 3,952.99/x
  3. Step 3: Cross multiply
    3,969.19x = 5,954.19 × 3,952.99
  4. Step 4: Simplify right side
    3,969.19x = 23,536,853.53
  5. Step 5: Solve for x
    x = 23,536,853.53/3,969.19
  6. Step 6: Final answer
    x = 5,929.89

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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.