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Finding the Fourth Proportional to 5,611.86, 8,425.08 and 4,314.24

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Solution

The fourth proportional to 5,611.86, 8,425.08 and 4,314.24 is: 6,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.86 : 8,425.08 = 4,314.24 : x
  2. Step 2: Convert to fraction form
    5,611.86/8,425.08 = 4,314.24/x
  3. Step 3: Cross multiply
    5,611.86x = 8,425.08 × 4,314.24
  4. Step 4: Simplify right side
    5,611.86x = 36,347,817.14
  5. Step 5: Solve for x
    x = 36,347,817.14/5,611.86
  6. Step 6: Final answer
    x = 6,476.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.