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Finding the Fourth Proportional to 33,803.20, 50,791.20 and 30,001.60

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Solution

The fourth proportional to 33,803.20, 50,791.20 and 30,001.60 is: 45,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,803.20 : 50,791.20 = 30,001.60 : x
  2. Step 2: Convert to fraction form
    33,803.20/50,791.20 = 30,001.60/x
  3. Step 3: Cross multiply
    33,803.20x = 50,791.20 × 30,001.60
  4. Step 4: Simplify right side
    33,803.20x = 1,523,817,265.92
  5. Step 5: Solve for x
    x = 1,523,817,265.92/33,803.20
  6. Step 6: Final answer
    x = 45,079.08

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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.