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Finding the Fourth Proportional to 36,768, 50,739.96 and 20,001

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Solution

The fourth proportional to 36,768, 50,739.96 and 20,001 is: 27,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,768 : 50,739.96 = 20,001 : x
  2. Step 2: Convert to fraction form
    36,768/50,739.96 = 20,001/x
  3. Step 3: Cross multiply
    36,768x = 50,739.96 × 20,001
  4. Step 4: Simplify right side
    36,768x = 1,014,849,939.96
  5. Step 5: Solve for x
    x = 1,014,849,939.96/36,768
  6. Step 6: Final answer
    x = 27,601.45

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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.