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Finding the Fourth Proportional to 17,270.60, 25,914.11 and 8,949.06

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Solution

The fourth proportional to 17,270.60, 25,914.11 and 8,949.06 is: 13,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270.60 : 25,914.11 = 8,949.06 : x
  2. Step 2: Convert to fraction form
    17,270.60/25,914.11 = 8,949.06/x
  3. Step 3: Cross multiply
    17,270.60x = 25,914.11 × 8,949.06
  4. Step 4: Simplify right side
    17,270.60x = 231,906,880.49
  5. Step 5: Solve for x
    x = 231,906,880.49/17,270.60
  6. Step 6: Final answer
    x = 13,427.85

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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.