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Finding the Fourth Proportional to 33,216.60, 49,680.90 and 29,731.80

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Solution

The fourth proportional to 33,216.60, 49,680.90 and 29,731.80 is: 44,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.60 : 49,680.90 = 29,731.80 : x
  2. Step 2: Convert to fraction form
    33,216.60/49,680.90 = 29,731.80/x
  3. Step 3: Cross multiply
    33,216.60x = 49,680.90 × 29,731.80
  4. Step 4: Simplify right side
    33,216.60x = 1,477,102,582.62
  5. Step 5: Solve for x
    x = 1,477,102,582.62/33,216.60
  6. Step 6: Final answer
    x = 44,468.81

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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.