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Finding the Fourth Proportional to 33,675.20, 50,491.20 and 13,961.60

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Solution

The fourth proportional to 33,675.20, 50,491.20 and 13,961.60 is: 20,933.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,675.20 : 50,491.20 = 13,961.60 : x
  2. Step 2: Convert to fraction form
    33,675.20/50,491.20 = 13,961.60/x
  3. Step 3: Cross multiply
    33,675.20x = 50,491.20 × 13,961.60
  4. Step 4: Simplify right side
    33,675.20x = 704,937,937.92
  5. Step 5: Solve for x
    x = 704,937,937.92/33,675.20
  6. Step 6: Final answer
    x = 20,933.44

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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.