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Finding the Fourth Proportional to 6,654.30, 9,179.46 and 5,396.82

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Solution

The fourth proportional to 6,654.30, 9,179.46 and 5,396.82 is: 7,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.30 : 9,179.46 = 5,396.82 : x
  2. Step 2: Convert to fraction form
    6,654.30/9,179.46 = 5,396.82/x
  3. Step 3: Cross multiply
    6,654.30x = 9,179.46 × 5,396.82
  4. Step 4: Simplify right side
    6,654.30x = 49,539,893.32
  5. Step 5: Solve for x
    x = 49,539,893.32/6,654.30
  6. Step 6: Final answer
    x = 7,444.79

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