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Finding the Fourth Proportional to 1,469.14, 2,027.47 and 806.01

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Solution

The fourth proportional to 1,469.14, 2,027.47 and 806.01 is: 1,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.14 : 2,027.47 = 806.01 : x
  2. Step 2: Convert to fraction form
    1,469.14/2,027.47 = 806.01/x
  3. Step 3: Cross multiply
    1,469.14x = 2,027.47 × 806.01
  4. Step 4: Simplify right side
    1,469.14x = 1,634,161.09
  5. Step 5: Solve for x
    x = 1,634,161.09/1,469.14
  6. Step 6: Final answer
    x = 1,112.32

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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.