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Finding the Fourth Proportional to 3,620.52, 4,996.30 and 1,964.52

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Solution

The fourth proportional to 3,620.52, 4,996.30 and 1,964.52 is: 2,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.52 : 4,996.30 = 1,964.52 : x
  2. Step 2: Convert to fraction form
    3,620.52/4,996.30 = 1,964.52/x
  3. Step 3: Cross multiply
    3,620.52x = 4,996.30 × 1,964.52
  4. Step 4: Simplify right side
    3,620.52x = 9,815,331.28
  5. Step 5: Solve for x
    x = 9,815,331.28/3,620.52
  6. Step 6: Final answer
    x = 2,711.03

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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.