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Finding the Fourth Proportional to 17,839.70, 26,759.82 and 6,751.61

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Solution

The fourth proportional to 17,839.70, 26,759.82 and 6,751.61 is: 10,127.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,839.70 : 26,759.82 = 6,751.61 : x
  2. Step 2: Convert to fraction form
    17,839.70/26,759.82 = 6,751.61/x
  3. Step 3: Cross multiply
    17,839.70x = 26,759.82 × 6,751.61
  4. Step 4: Simplify right side
    17,839.70x = 180,671,868.31
  5. Step 5: Solve for x
    x = 180,671,868.31/17,839.70
  6. Step 6: Final answer
    x = 10,127.52

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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.