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Finding the Fourth Proportional to 36,911, 50,937.90 and 22,007

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Solution

The fourth proportional to 36,911, 50,937.90 and 22,007 is: 30,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,911 : 50,937.90 = 22,007 : x
  2. Step 2: Convert to fraction form
    36,911/50,937.90 = 22,007/x
  3. Step 3: Cross multiply
    36,911x = 50,937.90 × 22,007
  4. Step 4: Simplify right side
    36,911x = 1,120,990,365.30
  5. Step 5: Solve for x
    x = 1,120,990,365.30/36,911
  6. Step 6: Final answer
    x = 30,370.09

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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.