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Finding the Fourth Proportional to 36,474, 50,334.51 and 20,558.45

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Solution

The fourth proportional to 36,474, 50,334.51 and 20,558.45 is: 28,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,474 : 50,334.51 = 20,558.45 : x
  2. Step 2: Convert to fraction form
    36,474/50,334.51 = 20,558.45/x
  3. Step 3: Cross multiply
    36,474x = 50,334.51 × 20,558.45
  4. Step 4: Simplify right side
    36,474x = 1,034,799,507.11
  5. Step 5: Solve for x
    x = 1,034,799,507.11/36,474
  6. Step 6: Final answer
    x = 28,370.88

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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.