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Finding the Fourth Proportional to 12,436.26, 17,162.04 and 6,847.26

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Solution

The fourth proportional to 12,436.26, 17,162.04 and 6,847.26 is: 9,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.26 : 17,162.04 = 6,847.26 : x
  2. Step 2: Convert to fraction form
    12,436.26/17,162.04 = 6,847.26/x
  3. Step 3: Cross multiply
    12,436.26x = 17,162.04 × 6,847.26
  4. Step 4: Simplify right side
    12,436.26x = 117,512,950.01
  5. Step 5: Solve for x
    x = 117,512,950.01/12,436.26
  6. Step 6: Final answer
    x = 9,449.22

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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.