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Finding the Fourth Proportional to 33,355.28, 50,031.96 and 8,395.28

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Solution

The fourth proportional to 33,355.28, 50,031.96 and 8,395.28 is: 12,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,355.28 : 50,031.96 = 8,395.28 : x
  2. Step 2: Convert to fraction form
    33,355.28/50,031.96 = 8,395.28/x
  3. Step 3: Cross multiply
    33,355.28x = 50,031.96 × 8,395.28
  4. Step 4: Simplify right side
    33,355.28x = 420,032,313.15
  5. Step 5: Solve for x
    x = 420,032,313.15/33,355.28
  6. Step 6: Final answer
    x = 12,592.68

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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.