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Finding the Fourth Proportional to 5,351.30, 8,067 and 4,994.54

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Solution

The fourth proportional to 5,351.30, 8,067 and 4,994.54 is: 7,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.30 : 8,067 = 4,994.54 : x
  2. Step 2: Convert to fraction form
    5,351.30/8,067 = 4,994.54/x
  3. Step 3: Cross multiply
    5,351.30x = 8,067 × 4,994.54
  4. Step 4: Simplify right side
    5,351.30x = 40,290,954.18
  5. Step 5: Solve for x
    x = 40,290,954.18/5,351.30
  6. Step 6: Final answer
    x = 7,529.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.