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Finding the Fourth Proportional to 11,662.67, 17,493.28 and 4,736.99

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Solution

The fourth proportional to 11,662.67, 17,493.28 and 4,736.99 is: 7,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662.67 : 17,493.28 = 4,736.99 : x
  2. Step 2: Convert to fraction form
    11,662.67/17,493.28 = 4,736.99/x
  3. Step 3: Cross multiply
    11,662.67x = 17,493.28 × 4,736.99
  4. Step 4: Simplify right side
    11,662.67x = 82,865,393.12
  5. Step 5: Solve for x
    x = 82,865,393.12/11,662.67
  6. Step 6: Final answer
    x = 7,105.19

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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.