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Finding the Fourth Proportional to 3,892.11, 5,834.37 and 1,551.36

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Solution

The fourth proportional to 3,892.11, 5,834.37 and 1,551.36 is: 2,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.11 : 5,834.37 = 1,551.36 : x
  2. Step 2: Convert to fraction form
    3,892.11/5,834.37 = 1,551.36/x
  3. Step 3: Cross multiply
    3,892.11x = 5,834.37 × 1,551.36
  4. Step 4: Simplify right side
    3,892.11x = 9,051,208.24
  5. Step 5: Solve for x
    x = 9,051,208.24/3,892.11
  6. Step 6: Final answer
    x = 2,325.53

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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.