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Finding the Fourth Proportional to 17,170.91, 25,710.22 and 10,896.95

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Solution

The fourth proportional to 17,170.91, 25,710.22 and 10,896.95 is: 16,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,170.91 : 25,710.22 = 10,896.95 : x
  2. Step 2: Convert to fraction form
    17,170.91/25,710.22 = 10,896.95/x
  3. Step 3: Cross multiply
    17,170.91x = 25,710.22 × 10,896.95
  4. Step 4: Simplify right side
    17,170.91x = 280,163,059.73
  5. Step 5: Solve for x
    x = 280,163,059.73/17,170.91
  6. Step 6: Final answer
    x = 16,316.15

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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.