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Finding the Fourth Proportional to 11,469.33, 17,174.84 and 10,507.05

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Solution

The fourth proportional to 11,469.33, 17,174.84 and 10,507.05 is: 15,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.33 : 17,174.84 = 10,507.05 : x
  2. Step 2: Convert to fraction form
    11,469.33/17,174.84 = 10,507.05/x
  3. Step 3: Cross multiply
    11,469.33x = 17,174.84 × 10,507.05
  4. Step 4: Simplify right side
    11,469.33x = 180,456,850.09
  5. Step 5: Solve for x
    x = 180,456,850.09/11,469.33
  6. Step 6: Final answer
    x = 15,733.86

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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.