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Finding the Fourth Proportional to 7,181.00, 9,906.73 and 4,384.88

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Solution

The fourth proportional to 7,181.00, 9,906.73 and 4,384.88 is: 6,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.00 : 9,906.73 = 4,384.88 : x
  2. Step 2: Convert to fraction form
    7,181.00/9,906.73 = 4,384.88/x
  3. Step 3: Cross multiply
    7,181.00x = 9,906.73 × 4,384.88
  4. Step 4: Simplify right side
    7,181.00x = 43,439,761.75
  5. Step 5: Solve for x
    x = 43,439,761.75/7,181.00
  6. Step 6: Final answer
    x = 6,049.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.