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Finding the Fourth Proportional to 1,967.38, 2,697.39 and 1,932.28

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Solution

The fourth proportional to 1,967.38, 2,697.39 and 1,932.28 is: 2,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967.38 : 2,697.39 = 1,932.28 : x
  2. Step 2: Convert to fraction form
    1,967.38/2,697.39 = 1,932.28/x
  3. Step 3: Cross multiply
    1,967.38x = 2,697.39 × 1,932.28
  4. Step 4: Simplify right side
    1,967.38x = 5,212,112.75
  5. Step 5: Solve for x
    x = 5,212,112.75/1,967.38
  6. Step 6: Final answer
    x = 2,649.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.