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Finding the Fourth Proportional to 17,494.58, 26,249.61 and 9,172.61

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Solution

The fourth proportional to 17,494.58, 26,249.61 and 9,172.61 is: 13,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,494.58 : 26,249.61 = 9,172.61 : x
  2. Step 2: Convert to fraction form
    17,494.58/26,249.61 = 9,172.61/x
  3. Step 3: Cross multiply
    17,494.58x = 26,249.61 × 9,172.61
  4. Step 4: Simplify right side
    17,494.58x = 240,777,435.18
  5. Step 5: Solve for x
    x = 240,777,435.18/17,494.58
  6. Step 6: Final answer
    x = 13,762.97

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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.