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Finding the Fourth Proportional to 4,978.04, 7,467.30 and 2,204.73

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Solution

The fourth proportional to 4,978.04, 7,467.30 and 2,204.73 is: 3,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978.04 : 7,467.30 = 2,204.73 : x
  2. Step 2: Convert to fraction form
    4,978.04/7,467.30 = 2,204.73/x
  3. Step 3: Cross multiply
    4,978.04x = 7,467.30 × 2,204.73
  4. Step 4: Simplify right side
    4,978.04x = 16,463,380.33
  5. Step 5: Solve for x
    x = 16,463,380.33/4,978.04
  6. Step 6: Final answer
    x = 3,307.20

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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.