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Finding the Fourth Proportional to 6,268.90, 8,650.81 and 3,749.52

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Solution

The fourth proportional to 6,268.90, 8,650.81 and 3,749.52 is: 5,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.90 : 8,650.81 = 3,749.52 : x
  2. Step 2: Convert to fraction form
    6,268.90/8,650.81 = 3,749.52/x
  3. Step 3: Cross multiply
    6,268.90x = 8,650.81 × 3,749.52
  4. Step 4: Simplify right side
    6,268.90x = 32,436,385.11
  5. Step 5: Solve for x
    x = 32,436,385.11/6,268.90
  6. Step 6: Final answer
    x = 5,174.17

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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.