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Finding the Fourth Proportional to 1,351.99, 2,027.22 and 804.52

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Solution

The fourth proportional to 1,351.99, 2,027.22 and 804.52 is: 1,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.99 : 2,027.22 = 804.52 : x
  2. Step 2: Convert to fraction form
    1,351.99/2,027.22 = 804.52/x
  3. Step 3: Cross multiply
    1,351.99x = 2,027.22 × 804.52
  4. Step 4: Simplify right side
    1,351.99x = 1,630,939.03
  5. Step 5: Solve for x
    x = 1,630,939.03/1,351.99
  6. Step 6: Final answer
    x = 1,206.32

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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.