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Finding the Fourth Proportional to 22,499.75, 33,731.40 and 9,361.96

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Solution

The fourth proportional to 22,499.75, 33,731.40 and 9,361.96 is: 14,035.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,499.75 : 33,731.40 = 9,361.96 : x
  2. Step 2: Convert to fraction form
    22,499.75/33,731.40 = 9,361.96/x
  3. Step 3: Cross multiply
    22,499.75x = 33,731.40 × 9,361.96
  4. Step 4: Simplify right side
    22,499.75x = 315,792,017.54
  5. Step 5: Solve for x
    x = 315,792,017.54/22,499.75
  6. Step 6: Final answer
    x = 14,035.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.