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Finding the Fourth Proportional to 17,751.57, 26,631 and 6,658.22

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Solution

The fourth proportional to 17,751.57, 26,631 and 6,658.22 is: 9,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.57 : 26,631 = 6,658.22 : x
  2. Step 2: Convert to fraction form
    17,751.57/26,631 = 6,658.22/x
  3. Step 3: Cross multiply
    17,751.57x = 26,631 × 6,658.22
  4. Step 4: Simplify right side
    17,751.57x = 177,314,923.67
  5. Step 5: Solve for x
    x = 177,314,923.67/17,751.57
  6. Step 6: Final answer
    x = 9,988.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.