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Finding the Fourth Proportional to 7,168.89, 10,741.98 and 5,529.45

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Solution

The fourth proportional to 7,168.89, 10,741.98 and 5,529.45 is: 8,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.89 : 10,741.98 = 5,529.45 : x
  2. Step 2: Convert to fraction form
    7,168.89/10,741.98 = 5,529.45/x
  3. Step 3: Cross multiply
    7,168.89x = 10,741.98 × 5,529.45
  4. Step 4: Simplify right side
    7,168.89x = 59,397,241.31
  5. Step 5: Solve for x
    x = 59,397,241.31/7,168.89
  6. Step 6: Final answer
    x = 8,285.42

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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.