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Finding the Fourth Proportional to 33,356.65, 50,031.27 and 8,396.71

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Solution

The fourth proportional to 33,356.65, 50,031.27 and 8,396.71 is: 12,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,356.65 : 50,031.27 = 8,396.71 : x
  2. Step 2: Convert to fraction form
    33,356.65/50,031.27 = 8,396.71/x
  3. Step 3: Cross multiply
    33,356.65x = 50,031.27 × 8,396.71
  4. Step 4: Simplify right side
    33,356.65x = 420,098,065.12
  5. Step 5: Solve for x
    x = 420,098,065.12/33,356.65
  6. Step 6: Final answer
    x = 12,594.13

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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.