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Finding the Fourth Proportional to 8,958.26, 12,357.36 and 5,372.27

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Solution

The fourth proportional to 8,958.26, 12,357.36 and 5,372.27 is: 7,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.26 : 12,357.36 = 5,372.27 : x
  2. Step 2: Convert to fraction form
    8,958.26/12,357.36 = 5,372.27/x
  3. Step 3: Cross multiply
    8,958.26x = 12,357.36 × 5,372.27
  4. Step 4: Simplify right side
    8,958.26x = 66,387,012.62
  5. Step 5: Solve for x
    x = 66,387,012.62/8,958.26
  6. Step 6: Final answer
    x = 7,410.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.