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Finding the Fourth Proportional to 36,502.64, 50,364.12 and 21,591.92

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Solution

The fourth proportional to 36,502.64, 50,364.12 and 21,591.92 is: 29,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,502.64 : 50,364.12 = 21,591.92 : x
  2. Step 2: Convert to fraction form
    36,502.64/50,364.12 = 21,591.92/x
  3. Step 3: Cross multiply
    36,502.64x = 50,364.12 × 21,591.92
  4. Step 4: Simplify right side
    36,502.64x = 1,087,458,049.91
  5. Step 5: Solve for x
    x = 1,087,458,049.91/36,502.64
  6. Step 6: Final answer
    x = 29,791.22

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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.