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Finding the Fourth Proportional to 3,900.83, 5,851.24 and 3,365.71

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Solution

The fourth proportional to 3,900.83, 5,851.24 and 3,365.71 is: 5,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.83 : 5,851.24 = 3,365.71 : x
  2. Step 2: Convert to fraction form
    3,900.83/5,851.24 = 3,365.71/x
  3. Step 3: Cross multiply
    3,900.83x = 5,851.24 × 3,365.71
  4. Step 4: Simplify right side
    3,900.83x = 19,693,553.94
  5. Step 5: Solve for x
    x = 19,693,553.94/3,900.83
  6. Step 6: Final answer
    x = 5,048.56

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1.5x scale

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.