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Finding the Fourth Proportional to 2,534.04, 3,800.97 and 685.44

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Solution

The fourth proportional to 2,534.04, 3,800.97 and 685.44 is: 1,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534.04 : 3,800.97 = 685.44 : x
  2. Step 2: Convert to fraction form
    2,534.04/3,800.97 = 685.44/x
  3. Step 3: Cross multiply
    2,534.04x = 3,800.97 × 685.44
  4. Step 4: Simplify right side
    2,534.04x = 2,605,336.88
  5. Step 5: Solve for x
    x = 2,605,336.88/2,534.04
  6. Step 6: Final answer
    x = 1,028.14

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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.