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Finding the Fourth Proportional to 16,361.80, 24,542.70 and 5,972.20

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Solution

The fourth proportional to 16,361.80, 24,542.70 and 5,972.20 is: 8,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,361.80 : 24,542.70 = 5,972.20 : x
  2. Step 2: Convert to fraction form
    16,361.80/24,542.70 = 5,972.20/x
  3. Step 3: Cross multiply
    16,361.80x = 24,542.70 × 5,972.20
  4. Step 4: Simplify right side
    16,361.80x = 146,573,912.94
  5. Step 5: Solve for x
    x = 146,573,912.94/16,361.80
  6. Step 6: Final answer
    x = 8,958.30

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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.