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Finding the Fourth Proportional to 5,353.98, 7,388.42 and 2,996.12

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Solution

The fourth proportional to 5,353.98, 7,388.42 and 2,996.12 is: 4,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.98 : 7,388.42 = 2,996.12 : x
  2. Step 2: Convert to fraction form
    5,353.98/7,388.42 = 2,996.12/x
  3. Step 3: Cross multiply
    5,353.98x = 7,388.42 × 2,996.12
  4. Step 4: Simplify right side
    5,353.98x = 22,136,592.93
  5. Step 5: Solve for x
    x = 22,136,592.93/5,353.98
  6. Step 6: Final answer
    x = 4,134.61

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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.