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Finding the Fourth Proportional to 5,168.71, 7,752.01 and 1,469.95

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Solution

The fourth proportional to 5,168.71, 7,752.01 and 1,469.95 is: 2,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.71 : 7,752.01 = 1,469.95 : x
  2. Step 2: Convert to fraction form
    5,168.71/7,752.01 = 1,469.95/x
  3. Step 3: Cross multiply
    5,168.71x = 7,752.01 × 1,469.95
  4. Step 4: Simplify right side
    5,168.71x = 11,395,067.10
  5. Step 5: Solve for x
    x = 11,395,067.10/5,168.71
  6. Step 6: Final answer
    x = 2,204.62

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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.