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Finding the Fourth Proportional to 17,469.80, 26,210.17 and 11,236.85

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Solution

The fourth proportional to 17,469.80, 26,210.17 and 11,236.85 is: 16,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.80 : 26,210.17 = 11,236.85 : x
  2. Step 2: Convert to fraction form
    17,469.80/26,210.17 = 11,236.85/x
  3. Step 3: Cross multiply
    17,469.80x = 26,210.17 × 11,236.85
  4. Step 4: Simplify right side
    17,469.80x = 294,519,787.96
  5. Step 5: Solve for x
    x = 294,519,787.96/17,469.80
  6. Step 6: Final answer
    x = 16,858.79

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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.