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Finding the Fourth Proportional to 33,180.60, 49,785.30 and 16,764.60

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Solution

The fourth proportional to 33,180.60, 49,785.30 and 16,764.60 is: 25,154.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.60 : 49,785.30 = 16,764.60 : x
  2. Step 2: Convert to fraction form
    33,180.60/49,785.30 = 16,764.60/x
  3. Step 3: Cross multiply
    33,180.60x = 49,785.30 × 16,764.60
  4. Step 4: Simplify right side
    33,180.60x = 834,630,640.38
  5. Step 5: Solve for x
    x = 834,630,640.38/33,180.60
  6. Step 6: Final answer
    x = 25,154.18

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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.