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Finding the Fourth Proportional to 17,151.92, 25,727.84 and 11,265.96

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Solution

The fourth proportional to 17,151.92, 25,727.84 and 11,265.96 is: 16,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,151.92 : 25,727.84 = 11,265.96 : x
  2. Step 2: Convert to fraction form
    17,151.92/25,727.84 = 11,265.96/x
  3. Step 3: Cross multiply
    17,151.92x = 25,727.84 × 11,265.96
  4. Step 4: Simplify right side
    17,151.92x = 289,848,816.33
  5. Step 5: Solve for x
    x = 289,848,816.33/17,151.92
  6. Step 6: Final answer
    x = 16,898.91

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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.