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Finding the Fourth Proportional to 22,471,361.80, 33,707,042.70 and 20,203,880.20

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Solution

The fourth proportional to 22,471,361.80, 33,707,042.70 and 20,203,880.20 is: 30,305,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471,361.80 : 33,707,042.70 = 20,203,880.20 : x
  2. Step 2: Convert to fraction form
    22,471,361.80/33,707,042.70 = 20,203,880.20/x
  3. Step 3: Cross multiply
    22,471,361.80x = 33,707,042.70 × 20,203,880.20
  4. Step 4: Simplify right side
    22,471,361.80x = 681,013,052,607,084.62
  5. Step 5: Solve for x
    x = 681,013,052,607,084.62/22,471,361.80
  6. Step 6: Final answer
    x = 30,305,820.30

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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.