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Finding the Fourth Proportional to 33,991.20, 50,972.40 and 16,466.40

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Solution

The fourth proportional to 33,991.20, 50,972.40 and 16,466.40 is: 24,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.20 : 50,972.40 = 16,466.40 : x
  2. Step 2: Convert to fraction form
    33,991.20/50,972.40 = 16,466.40/x
  3. Step 3: Cross multiply
    33,991.20x = 50,972.40 × 16,466.40
  4. Step 4: Simplify right side
    33,991.20x = 839,331,927.36
  5. Step 5: Solve for x
    x = 839,331,927.36/33,991.20
  6. Step 6: Final answer
    x = 24,692.62

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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.