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Finding the Fourth Proportional to 33,825.80, 50,739.03 and 15,106.79

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Solution

The fourth proportional to 33,825.80, 50,739.03 and 15,106.79 is: 22,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,825.80 : 50,739.03 = 15,106.79 : x
  2. Step 2: Convert to fraction form
    33,825.80/50,739.03 = 15,106.79/x
  3. Step 3: Cross multiply
    33,825.80x = 50,739.03 × 15,106.79
  4. Step 4: Simplify right side
    33,825.80x = 766,503,617.32
  5. Step 5: Solve for x
    x = 766,503,617.32/33,825.80
  6. Step 6: Final answer
    x = 22,660.33

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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.