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Finding the Fourth Proportional to 11,910.70, 17,906.55 and 9,735.22

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Solution

The fourth proportional to 11,910.70, 17,906.55 and 9,735.22 is: 14,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.70 : 17,906.55 = 9,735.22 : x
  2. Step 2: Convert to fraction form
    11,910.70/17,906.55 = 9,735.22/x
  3. Step 3: Cross multiply
    11,910.70x = 17,906.55 × 9,735.22
  4. Step 4: Simplify right side
    11,910.70x = 174,324,203.69
  5. Step 5: Solve for x
    x = 174,324,203.69/11,910.70
  6. Step 6: Final answer
    x = 14,635.93

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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.