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Finding the Fourth Proportional to 36,794, 50,781.48 and 21,898.64

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Solution

The fourth proportional to 36,794, 50,781.48 and 21,898.64 is: 30,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,794 : 50,781.48 = 21,898.64 : x
  2. Step 2: Convert to fraction form
    36,794/50,781.48 = 21,898.64/x
  3. Step 3: Cross multiply
    36,794x = 50,781.48 × 21,898.64
  4. Step 4: Simplify right side
    36,794x = 1,112,045,349.19
  5. Step 5: Solve for x
    x = 1,112,045,349.19/36,794
  6. Step 6: Final answer
    x = 30,223.55

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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.