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Finding the Fourth Proportional to 17,997.29, 26,984.37 and 7,474.57

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Solution

The fourth proportional to 17,997.29, 26,984.37 and 7,474.57 is: 11,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.29 : 26,984.37 = 7,474.57 : x
  2. Step 2: Convert to fraction form
    17,997.29/26,984.37 = 7,474.57/x
  3. Step 3: Cross multiply
    17,997.29x = 26,984.37 × 7,474.57
  4. Step 4: Simplify right side
    17,997.29x = 201,696,495.01
  5. Step 5: Solve for x
    x = 201,696,495.01/17,997.29
  6. Step 6: Final answer
    x = 11,207.05

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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.