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Finding the Fourth Proportional to 18,471.52, 27,717.36 and 10,695.52

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Solution

The fourth proportional to 18,471.52, 27,717.36 and 10,695.52 is: 16,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.52 : 27,717.36 = 10,695.52 : x
  2. Step 2: Convert to fraction form
    18,471.52/27,717.36 = 10,695.52/x
  3. Step 3: Cross multiply
    18,471.52x = 27,717.36 × 10,695.52
  4. Step 4: Simplify right side
    18,471.52x = 296,451,578.23
  5. Step 5: Solve for x
    x = 296,451,578.23/18,471.52
  6. Step 6: Final answer
    x = 16,049.12

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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.