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Finding the Fourth Proportional to 5,167.32, 7,749.81 and 1,469.46

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Solution

The fourth proportional to 5,167.32, 7,749.81 and 1,469.46 is: 2,203.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.32 : 7,749.81 = 1,469.46 : x
  2. Step 2: Convert to fraction form
    5,167.32/7,749.81 = 1,469.46/x
  3. Step 3: Cross multiply
    5,167.32x = 7,749.81 × 1,469.46
  4. Step 4: Simplify right side
    5,167.32x = 11,388,035.80
  5. Step 5: Solve for x
    x = 11,388,035.80/5,167.32
  6. Step 6: Final answer
    x = 2,203.86

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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.