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Finding the Fourth Proportional to 3,930.06, 5,895.14 and 1,008.29

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Solution

The fourth proportional to 3,930.06, 5,895.14 and 1,008.29 is: 1,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.06 : 5,895.14 = 1,008.29 : x
  2. Step 2: Convert to fraction form
    3,930.06/5,895.14 = 1,008.29/x
  3. Step 3: Cross multiply
    3,930.06x = 5,895.14 × 1,008.29
  4. Step 4: Simplify right side
    3,930.06x = 5,943,976.19
  5. Step 5: Solve for x
    x = 5,943,976.19/3,930.06
  6. Step 6: Final answer
    x = 1,512.44

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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.