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Finding the Fourth Proportional to 33,900.94, 50,851.41 and 13,124.44

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Solution

The fourth proportional to 33,900.94, 50,851.41 and 13,124.44 is: 19,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,900.94 : 50,851.41 = 13,124.44 : x
  2. Step 2: Convert to fraction form
    33,900.94/50,851.41 = 13,124.44/x
  3. Step 3: Cross multiply
    33,900.94x = 50,851.41 × 13,124.44
  4. Step 4: Simplify right side
    33,900.94x = 667,396,152.33
  5. Step 5: Solve for x
    x = 667,396,152.33/33,900.94
  6. Step 6: Final answer
    x = 19,686.66

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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.