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Finding the Fourth Proportional to 8,651.82, 11,933.12 and 5,963.90

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Solution

The fourth proportional to 8,651.82, 11,933.12 and 5,963.90 is: 8,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.82 : 11,933.12 = 5,963.90 : x
  2. Step 2: Convert to fraction form
    8,651.82/11,933.12 = 5,963.90/x
  3. Step 3: Cross multiply
    8,651.82x = 11,933.12 × 5,963.90
  4. Step 4: Simplify right side
    8,651.82x = 71,167,934.37
  5. Step 5: Solve for x
    x = 71,167,934.37/8,651.82
  6. Step 6: Final answer
    x = 8,225.78

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1.5x scale

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.