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Finding the Fourth Proportional to 33,672.78, 50,509.89 and 10,299.24

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Solution

The fourth proportional to 33,672.78, 50,509.89 and 10,299.24 is: 15,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,672.78 : 50,509.89 = 10,299.24 : x
  2. Step 2: Convert to fraction form
    33,672.78/50,509.89 = 10,299.24/x
  3. Step 3: Cross multiply
    33,672.78x = 50,509.89 × 10,299.24
  4. Step 4: Simplify right side
    33,672.78x = 520,213,479.48
  5. Step 5: Solve for x
    x = 520,213,479.48/33,672.78
  6. Step 6: Final answer
    x = 15,449.08

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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.