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Finding the Fourth Proportional to 5,682.96, 8,515.53 and 3,730.86

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Solution

The fourth proportional to 5,682.96, 8,515.53 and 3,730.86 is: 5,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.96 : 8,515.53 = 3,730.86 : x
  2. Step 2: Convert to fraction form
    5,682.96/8,515.53 = 3,730.86/x
  3. Step 3: Cross multiply
    5,682.96x = 8,515.53 × 3,730.86
  4. Step 4: Simplify right side
    5,682.96x = 31,770,250.26
  5. Step 5: Solve for x
    x = 31,770,250.26/5,682.96
  6. Step 6: Final answer
    x = 5,590.44

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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.