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Finding the Fourth Proportional to 5,143.98, 7,092.96 and 3,724.86

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Solution

The fourth proportional to 5,143.98, 7,092.96 and 3,724.86 is: 5,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.98 : 7,092.96 = 3,724.86 : x
  2. Step 2: Convert to fraction form
    5,143.98/7,092.96 = 3,724.86/x
  3. Step 3: Cross multiply
    5,143.98x = 7,092.96 × 3,724.86
  4. Step 4: Simplify right side
    5,143.98x = 26,420,282.99
  5. Step 5: Solve for x
    x = 26,420,282.99/5,143.98
  6. Step 6: Final answer
    x = 5,136.16

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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.