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Finding the Fourth Proportional to 33,679.20, 50,421.60 and 29,791.20

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Solution

The fourth proportional to 33,679.20, 50,421.60 and 29,791.20 is: 44,600.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,679.20 : 50,421.60 = 29,791.20 : x
  2. Step 2: Convert to fraction form
    33,679.20/50,421.60 = 29,791.20/x
  3. Step 3: Cross multiply
    33,679.20x = 50,421.60 × 29,791.20
  4. Step 4: Simplify right side
    33,679.20x = 1,502,119,969.92
  5. Step 5: Solve for x
    x = 1,502,119,969.92/33,679.20
  6. Step 6: Final answer
    x = 44,600.82

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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.