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Finding the Fourth Proportional to 5,689.82, 8,535.54 and 2,766.13

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Solution

The fourth proportional to 5,689.82, 8,535.54 and 2,766.13 is: 4,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.82 : 8,535.54 = 2,766.13 : x
  2. Step 2: Convert to fraction form
    5,689.82/8,535.54 = 2,766.13/x
  3. Step 3: Cross multiply
    5,689.82x = 8,535.54 × 2,766.13
  4. Step 4: Simplify right side
    5,689.82x = 23,610,413.26
  5. Step 5: Solve for x
    x = 23,610,413.26/5,689.82
  6. Step 6: Final answer
    x = 4,149.59

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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.