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Finding the Fourth Proportional to 23,211.39, 34,813.75 and 7,418.22

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Solution

The fourth proportional to 23,211.39, 34,813.75 and 7,418.22 is: 11,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.39 : 34,813.75 = 7,418.22 : x
  2. Step 2: Convert to fraction form
    23,211.39/34,813.75 = 7,418.22/x
  3. Step 3: Cross multiply
    23,211.39x = 34,813.75 × 7,418.22
  4. Step 4: Simplify right side
    23,211.39x = 258,256,056.53
  5. Step 5: Solve for x
    x = 258,256,056.53/23,211.39
  6. Step 6: Final answer
    x = 11,126.26

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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.