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Finding the Fourth Proportional to 4,982.04, 7,479.54 and 3,258.36

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Solution

The fourth proportional to 4,982.04, 7,479.54 and 3,258.36 is: 4,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.04 : 7,479.54 = 3,258.36 : x
  2. Step 2: Convert to fraction form
    4,982.04/7,479.54 = 3,258.36/x
  3. Step 3: Cross multiply
    4,982.04x = 7,479.54 × 3,258.36
  4. Step 4: Simplify right side
    4,982.04x = 24,371,033.95
  5. Step 5: Solve for x
    x = 24,371,033.95/4,982.04
  6. Step 6: Final answer
    x = 4,891.78

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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.