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Finding the Fourth Proportional to 8,736.53, 12,067.94 and 6,472.46

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Solution

The fourth proportional to 8,736.53, 12,067.94 and 6,472.46 is: 8,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.53 : 12,067.94 = 6,472.46 : x
  2. Step 2: Convert to fraction form
    8,736.53/12,067.94 = 6,472.46/x
  3. Step 3: Cross multiply
    8,736.53x = 12,067.94 × 6,472.46
  4. Step 4: Simplify right side
    8,736.53x = 78,109,305.28
  5. Step 5: Solve for x
    x = 78,109,305.28/8,736.53
  6. Step 6: Final answer
    x = 8,940.55

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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.