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Finding the Fourth Proportional to 17,361.66, 26,044.32 and 5,674.86

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Solution

The fourth proportional to 17,361.66, 26,044.32 and 5,674.86 is: 8,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.66 : 26,044.32 = 5,674.86 : x
  2. Step 2: Convert to fraction form
    17,361.66/26,044.32 = 5,674.86/x
  3. Step 3: Cross multiply
    17,361.66x = 26,044.32 × 5,674.86
  4. Step 4: Simplify right side
    17,361.66x = 147,797,869.80
  5. Step 5: Solve for x
    x = 147,797,869.80/17,361.66
  6. Step 6: Final answer
    x = 8,512.89

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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.