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Finding the Fourth Proportional to 2,530.94, 3,796.63 and 682.01

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Solution

The fourth proportional to 2,530.94, 3,796.63 and 682.01 is: 1,023.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.94 : 3,796.63 = 682.01 : x
  2. Step 2: Convert to fraction form
    2,530.94/3,796.63 = 682.01/x
  3. Step 3: Cross multiply
    2,530.94x = 3,796.63 × 682.01
  4. Step 4: Simplify right side
    2,530.94x = 2,589,335.73
  5. Step 5: Solve for x
    x = 2,589,335.73/2,530.94
  6. Step 6: Final answer
    x = 1,023.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.