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Finding the Fourth Proportional to 7,110.25, 10,665.38 and 2,493.25

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Solution

The fourth proportional to 7,110.25, 10,665.38 and 2,493.25 is: 3,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.25 : 10,665.38 = 2,493.25 : x
  2. Step 2: Convert to fraction form
    7,110.25/10,665.38 = 2,493.25/x
  3. Step 3: Cross multiply
    7,110.25x = 10,665.38 × 2,493.25
  4. Step 4: Simplify right side
    7,110.25x = 26,591,458.69
  5. Step 5: Solve for x
    x = 26,591,458.69/7,110.25
  6. Step 6: Final answer
    x = 3,739.88

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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.