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Finding the Fourth Proportional to 3,383.04, 5,074.72 and 1,651.64

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Solution

The fourth proportional to 3,383.04, 5,074.72 and 1,651.64 is: 2,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.04 : 5,074.72 = 1,651.64 : x
  2. Step 2: Convert to fraction form
    3,383.04/5,074.72 = 1,651.64/x
  3. Step 3: Cross multiply
    3,383.04x = 5,074.72 × 1,651.64
  4. Step 4: Simplify right side
    3,383.04x = 8,381,610.54
  5. Step 5: Solve for x
    x = 8,381,610.54/3,383.04
  6. Step 6: Final answer
    x = 2,477.54

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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.