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Finding the Fourth Proportional to 2,777.87, 3,832.22 and 1,832.45

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Solution

The fourth proportional to 2,777.87, 3,832.22 and 1,832.45 is: 2,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.87 : 3,832.22 = 1,832.45 : x
  2. Step 2: Convert to fraction form
    2,777.87/3,832.22 = 1,832.45/x
  3. Step 3: Cross multiply
    2,777.87x = 3,832.22 × 1,832.45
  4. Step 4: Simplify right side
    2,777.87x = 7,022,351.54
  5. Step 5: Solve for x
    x = 7,022,351.54/2,777.87
  6. Step 6: Final answer
    x = 2,527.96

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1.5x scale

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.