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Finding the Fourth Proportional to 17,786.40, 26,672.40 and 6,093.60

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Solution

The fourth proportional to 17,786.40, 26,672.40 and 6,093.60 is: 9,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.40 : 26,672.40 = 6,093.60 : x
  2. Step 2: Convert to fraction form
    17,786.40/26,672.40 = 6,093.60/x
  3. Step 3: Cross multiply
    17,786.40x = 26,672.40 × 6,093.60
  4. Step 4: Simplify right side
    17,786.40x = 162,530,936.64
  5. Step 5: Solve for x
    x = 162,530,936.64/17,786.40
  6. Step 6: Final answer
    x = 9,137.93

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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.