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Finding the Fourth Proportional to 33,893.52, 50,840.42 and 18,909.88

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Solution

The fourth proportional to 33,893.52, 50,840.42 and 18,909.88 is: 28,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,893.52 : 50,840.42 = 18,909.88 : x
  2. Step 2: Convert to fraction form
    33,893.52/50,840.42 = 18,909.88/x
  3. Step 3: Cross multiply
    33,893.52x = 50,840.42 × 18,909.88
  4. Step 4: Simplify right side
    33,893.52x = 961,386,241.35
  5. Step 5: Solve for x
    x = 961,386,241.35/33,893.52
  6. Step 6: Final answer
    x = 28,364.90

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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.