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Finding the Fourth Proportional to 3,930.54, 5,922.73 and 3,252.42

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Solution

The fourth proportional to 3,930.54, 5,922.73 and 3,252.42 is: 4,900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.54 : 5,922.73 = 3,252.42 : x
  2. Step 2: Convert to fraction form
    3,930.54/5,922.73 = 3,252.42/x
  3. Step 3: Cross multiply
    3,930.54x = 5,922.73 × 3,252.42
  4. Step 4: Simplify right side
    3,930.54x = 19,263,205.51
  5. Step 5: Solve for x
    x = 19,263,205.51/3,930.54
  6. Step 6: Final answer
    x = 4,900.91

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1.5x scale

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.