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Finding the Fourth Proportional to 51,277.20, 76,786.20 and 33,651.60

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Solution

The fourth proportional to 51,277.20, 76,786.20 and 33,651.60 is: 50,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.20 : 76,786.20 = 33,651.60 : x
  2. Step 2: Convert to fraction form
    51,277.20/76,786.20 = 33,651.60/x
  3. Step 3: Cross multiply
    51,277.20x = 76,786.20 × 33,651.60
  4. Step 4: Simplify right side
    51,277.20x = 2,583,978,487.92
  5. Step 5: Solve for x
    x = 2,583,978,487.92/51,277.20
  6. Step 6: Final answer
    x = 50,392.35

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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.