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Finding the Fourth Proportional to 17,640.88, 26,454.02 and 7,504.96

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Solution

The fourth proportional to 17,640.88, 26,454.02 and 7,504.96 is: 11,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.88 : 26,454.02 = 7,504.96 : x
  2. Step 2: Convert to fraction form
    17,640.88/26,454.02 = 7,504.96/x
  3. Step 3: Cross multiply
    17,640.88x = 26,454.02 × 7,504.96
  4. Step 4: Simplify right side
    17,640.88x = 198,536,361.94
  5. Step 5: Solve for x
    x = 198,536,361.94/17,640.88
  6. Step 6: Final answer
    x = 11,254.33

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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.