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Finding the Fourth Proportional to 5,015.72, 7,524.09 and 1,728.38

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Solution

The fourth proportional to 5,015.72, 7,524.09 and 1,728.38 is: 2,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.72 : 7,524.09 = 1,728.38 : x
  2. Step 2: Convert to fraction form
    5,015.72/7,524.09 = 1,728.38/x
  3. Step 3: Cross multiply
    5,015.72x = 7,524.09 × 1,728.38
  4. Step 4: Simplify right side
    5,015.72x = 13,004,505.48
  5. Step 5: Solve for x
    x = 13,004,505.48/5,015.72
  6. Step 6: Final answer
    x = 2,592.75

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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.