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Finding the Fourth Proportional to 5,920.85, 8,866.08 and 5,745.66

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Solution

The fourth proportional to 5,920.85, 8,866.08 and 5,745.66 is: 8,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.85 : 8,866.08 = 5,745.66 : x
  2. Step 2: Convert to fraction form
    5,920.85/8,866.08 = 5,745.66/x
  3. Step 3: Cross multiply
    5,920.85x = 8,866.08 × 5,745.66
  4. Step 4: Simplify right side
    5,920.85x = 50,941,481.21
  5. Step 5: Solve for x
    x = 50,941,481.21/5,920.85
  6. Step 6: Final answer
    x = 8,603.75

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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.