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Finding the Fourth Proportional to 2,662.22, 3,994.68 and 1,201.01

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Solution

The fourth proportional to 2,662.22, 3,994.68 and 1,201.01 is: 1,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662.22 : 3,994.68 = 1,201.01 : x
  2. Step 2: Convert to fraction form
    2,662.22/3,994.68 = 1,201.01/x
  3. Step 3: Cross multiply
    2,662.22x = 3,994.68 × 1,201.01
  4. Step 4: Simplify right side
    2,662.22x = 4,797,650.63
  5. Step 5: Solve for x
    x = 4,797,650.63/2,662.22
  6. Step 6: Final answer
    x = 1,802.12

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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.