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Finding the Fourth Proportional to 33,882.48, 50,776.74 and 12,800.88

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Solution

The fourth proportional to 33,882.48, 50,776.74 and 12,800.88 is: 19,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,882.48 : 50,776.74 = 12,800.88 : x
  2. Step 2: Convert to fraction form
    33,882.48/50,776.74 = 12,800.88/x
  3. Step 3: Cross multiply
    33,882.48x = 50,776.74 × 12,800.88
  4. Step 4: Simplify right side
    33,882.48x = 649,986,955.53
  5. Step 5: Solve for x
    x = 649,986,955.53/33,882.48
  6. Step 6: Final answer
    x = 19,183.57

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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.