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Finding the Fourth Proportional to 17,121.22, 25,695.22 and 8,800.90

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Solution

The fourth proportional to 17,121.22, 25,695.22 and 8,800.90 is: 13,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.22 : 25,695.22 = 8,800.90 : x
  2. Step 2: Convert to fraction form
    17,121.22/25,695.22 = 8,800.90/x
  3. Step 3: Cross multiply
    17,121.22x = 25,695.22 × 8,800.90
  4. Step 4: Simplify right side
    17,121.22x = 226,141,061.70
  5. Step 5: Solve for x
    x = 226,141,061.70/17,121.22
  6. Step 6: Final answer
    x = 13,208.23

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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.