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Finding the Fourth Proportional to 22,236.90, 33,361.68 and 7,446.72

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Solution

The fourth proportional to 22,236.90, 33,361.68 and 7,446.72 is: 11,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.90 : 33,361.68 = 7,446.72 : x
  2. Step 2: Convert to fraction form
    22,236.90/33,361.68 = 7,446.72/x
  3. Step 3: Cross multiply
    22,236.90x = 33,361.68 × 7,446.72
  4. Step 4: Simplify right side
    22,236.90x = 248,435,089.69
  5. Step 5: Solve for x
    x = 248,435,089.69/22,236.90
  6. Step 6: Final answer
    x = 11,172.20

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1.5x scale

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.