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Finding the Fourth Proportional to 33,847.76, 50,757.66 and 12,784.23

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Solution

The fourth proportional to 33,847.76, 50,757.66 and 12,784.23 is: 19,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,847.76 : 50,757.66 = 12,784.23 : x
  2. Step 2: Convert to fraction form
    33,847.76/50,757.66 = 12,784.23/x
  3. Step 3: Cross multiply
    33,847.76x = 50,757.66 × 12,784.23
  4. Step 4: Simplify right side
    33,847.76x = 648,897,599.70
  5. Step 5: Solve for x
    x = 648,897,599.70/33,847.76
  6. Step 6: Final answer
    x = 19,171.06

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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.