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Finding the Fourth Proportional to 11,997.63, 17,996.99 and 3,677.04

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Solution

The fourth proportional to 11,997.63, 17,996.99 and 3,677.04 is: 5,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.63 : 17,996.99 = 3,677.04 : x
  2. Step 2: Convert to fraction form
    11,997.63/17,996.99 = 3,677.04/x
  3. Step 3: Cross multiply
    11,997.63x = 17,996.99 × 3,677.04
  4. Step 4: Simplify right side
    11,997.63x = 66,175,633.72
  5. Step 5: Solve for x
    x = 66,175,633.72/11,997.63
  6. Step 6: Final answer
    x = 5,515.73

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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.