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Finding the Fourth Proportional to 3,351.44, 5,028.84 and 1,503.88

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Solution

The fourth proportional to 3,351.44, 5,028.84 and 1,503.88 is: 2,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.44 : 5,028.84 = 1,503.88 : x
  2. Step 2: Convert to fraction form
    3,351.44/5,028.84 = 1,503.88/x
  3. Step 3: Cross multiply
    3,351.44x = 5,028.84 × 1,503.88
  4. Step 4: Simplify right side
    3,351.44x = 7,562,739.24
  5. Step 5: Solve for x
    x = 7,562,739.24/3,351.44
  6. Step 6: Final answer
    x = 2,256.56

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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.