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Finding the Fourth Proportional to 11,736.29, 17,608.04 and 8,446.61

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Solution

The fourth proportional to 11,736.29, 17,608.04 and 8,446.61 is: 12,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.29 : 17,608.04 = 8,446.61 : x
  2. Step 2: Convert to fraction form
    11,736.29/17,608.04 = 8,446.61/x
  3. Step 3: Cross multiply
    11,736.29x = 17,608.04 × 8,446.61
  4. Step 4: Simplify right side
    11,736.29x = 148,728,246.74
  5. Step 5: Solve for x
    x = 148,728,246.74/11,736.29
  6. Step 6: Final answer
    x = 12,672.51

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1.5x scale

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.