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Finding the Fourth Proportional to 57,796.63, 79,736.82 and 36,273.81

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Solution

The fourth proportional to 57,796.63, 79,736.82 and 36,273.81 is: 50,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,796.63 : 79,736.82 = 36,273.81 : x
  2. Step 2: Convert to fraction form
    57,796.63/79,736.82 = 36,273.81/x
  3. Step 3: Cross multiply
    57,796.63x = 79,736.82 × 36,273.81
  4. Step 4: Simplify right side
    57,796.63x = 2,892,358,258.68
  5. Step 5: Solve for x
    x = 2,892,358,258.68/57,796.63
  6. Step 6: Final answer
    x = 50,043.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.