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Finding the Fourth Proportional to 17,936, 26,900.40 and 6,249.68

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Solution

The fourth proportional to 17,936, 26,900.40 and 6,249.68 is: 9,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936 : 26,900.40 = 6,249.68 : x
  2. Step 2: Convert to fraction form
    17,936/26,900.40 = 6,249.68/x
  3. Step 3: Cross multiply
    17,936x = 26,900.40 × 6,249.68
  4. Step 4: Simplify right side
    17,936x = 168,118,891.87
  5. Step 5: Solve for x
    x = 168,118,891.87/17,936
  6. Step 6: Final answer
    x = 9,373.27

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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.