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Finding the Fourth Proportional to 2,964.35, 4,447.30 and 884.36

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Solution

The fourth proportional to 2,964.35, 4,447.30 and 884.36 is: 1,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.35 : 4,447.30 = 884.36 : x
  2. Step 2: Convert to fraction form
    2,964.35/4,447.30 = 884.36/x
  3. Step 3: Cross multiply
    2,964.35x = 4,447.30 × 884.36
  4. Step 4: Simplify right side
    2,964.35x = 3,933,023.14
  5. Step 5: Solve for x
    x = 3,933,023.14/2,964.35
  6. Step 6: Final answer
    x = 1,326.78

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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.