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Finding the Fourth Proportional to 33,384.45, 50,073.42 and 8,760.45

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Solution

The fourth proportional to 33,384.45, 50,073.42 and 8,760.45 is: 13,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,384.45 : 50,073.42 = 8,760.45 : x
  2. Step 2: Convert to fraction form
    33,384.45/50,073.42 = 8,760.45/x
  3. Step 3: Cross multiply
    33,384.45x = 50,073.42 × 8,760.45
  4. Step 4: Simplify right side
    33,384.45x = 438,665,692.24
  5. Step 5: Solve for x
    x = 438,665,692.24/33,384.45
  6. Step 6: Final answer
    x = 13,139.82

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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.