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Finding the Fourth Proportional to 5,270.96, 7,273.72 and 2,913.06

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Solution

The fourth proportional to 5,270.96, 7,273.72 and 2,913.06 is: 4,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.96 : 7,273.72 = 2,913.06 : x
  2. Step 2: Convert to fraction form
    5,270.96/7,273.72 = 2,913.06/x
  3. Step 3: Cross multiply
    5,270.96x = 7,273.72 × 2,913.06
  4. Step 4: Simplify right side
    5,270.96x = 21,188,782.78
  5. Step 5: Solve for x
    x = 21,188,782.78/5,270.96
  6. Step 6: Final answer
    x = 4,019.91

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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.