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Finding the Fourth Proportional to 2,201.64, 3,039.12 and 1,493.12

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Solution

The fourth proportional to 2,201.64, 3,039.12 and 1,493.12 is: 2,061.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.64 : 3,039.12 = 1,493.12 : x
  2. Step 2: Convert to fraction form
    2,201.64/3,039.12 = 1,493.12/x
  3. Step 3: Cross multiply
    2,201.64x = 3,039.12 × 1,493.12
  4. Step 4: Simplify right side
    2,201.64x = 4,537,770.85
  5. Step 5: Solve for x
    x = 4,537,770.85/2,201.64
  6. Step 6: Final answer
    x = 2,061.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.