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Finding the Fourth Proportional to 33,169.60, 49,781.60 and 32,910.40

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Solution

The fourth proportional to 33,169.60, 49,781.60 and 32,910.40 is: 49,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,169.60 : 49,781.60 = 32,910.40 : x
  2. Step 2: Convert to fraction form
    33,169.60/49,781.60 = 32,910.40/x
  3. Step 3: Cross multiply
    33,169.60x = 49,781.60 × 32,910.40
  4. Step 4: Simplify right side
    33,169.60x = 1,638,332,368.64
  5. Step 5: Solve for x
    x = 1,638,332,368.64/33,169.60
  6. Step 6: Final answer
    x = 49,392.59

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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.