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Finding the Fourth Proportional to 4,784.26, 7,168.82 and 3,691.30

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Solution

The fourth proportional to 4,784.26, 7,168.82 and 3,691.30 is: 5,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.26 : 7,168.82 = 3,691.30 : x
  2. Step 2: Convert to fraction form
    4,784.26/7,168.82 = 3,691.30/x
  3. Step 3: Cross multiply
    4,784.26x = 7,168.82 × 3,691.30
  4. Step 4: Simplify right side
    4,784.26x = 26,462,265.27
  5. Step 5: Solve for x
    x = 26,462,265.27/4,784.26
  6. Step 6: Final answer
    x = 5,531.11

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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.