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Finding the Fourth Proportional to 3,842.00, 5,304.23 and 3,620.57

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Solution

The fourth proportional to 3,842.00, 5,304.23 and 3,620.57 is: 4,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.00 : 5,304.23 = 3,620.57 : x
  2. Step 2: Convert to fraction form
    3,842.00/5,304.23 = 3,620.57/x
  3. Step 3: Cross multiply
    3,842.00x = 5,304.23 × 3,620.57
  4. Step 4: Simplify right side
    3,842.00x = 19,204,324.62
  5. Step 5: Solve for x
    x = 19,204,324.62/3,842.00
  6. Step 6: Final answer
    x = 4,998.52

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1.5x scale

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.