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Finding the Fourth Proportional to 36,777.88, 50,751.86 and 20,424.08

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Solution

The fourth proportional to 36,777.88, 50,751.86 and 20,424.08 is: 28,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,777.88 : 50,751.86 = 20,424.08 : x
  2. Step 2: Convert to fraction form
    36,777.88/50,751.86 = 20,424.08/x
  3. Step 3: Cross multiply
    36,777.88x = 50,751.86 × 20,424.08
  4. Step 4: Simplify right side
    36,777.88x = 1,036,560,048.79
  5. Step 5: Solve for x
    x = 1,036,560,048.79/36,777.88
  6. Step 6: Final answer
    x = 28,184.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.