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Finding the Fourth Proportional to 2,940.54, 4,410.81 and 1,479.36

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Solution

The fourth proportional to 2,940.54, 4,410.81 and 1,479.36 is: 2,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.54 : 4,410.81 = 1,479.36 : x
  2. Step 2: Convert to fraction form
    2,940.54/4,410.81 = 1,479.36/x
  3. Step 3: Cross multiply
    2,940.54x = 4,410.81 × 1,479.36
  4. Step 4: Simplify right side
    2,940.54x = 6,525,175.88
  5. Step 5: Solve for x
    x = 6,525,175.88/2,940.54
  6. Step 6: Final answer
    x = 2,219.04

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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.