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Finding the Fourth Proportional to 5,265.75, 7,898.97 and 1,755.61

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Solution

The fourth proportional to 5,265.75, 7,898.97 and 1,755.61 is: 2,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.75 : 7,898.97 = 1,755.61 : x
  2. Step 2: Convert to fraction form
    5,265.75/7,898.97 = 1,755.61/x
  3. Step 3: Cross multiply
    5,265.75x = 7,898.97 × 1,755.61
  4. Step 4: Simplify right side
    5,265.75x = 13,867,510.72
  5. Step 5: Solve for x
    x = 13,867,510.72/5,265.75
  6. Step 6: Final answer
    x = 2,633.53

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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.