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Finding the Fourth Proportional to 6,720.59, 9,273.89 and 3,736.25

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Solution

The fourth proportional to 6,720.59, 9,273.89 and 3,736.25 is: 5,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.59 : 9,273.89 = 3,736.25 : x
  2. Step 2: Convert to fraction form
    6,720.59/9,273.89 = 3,736.25/x
  3. Step 3: Cross multiply
    6,720.59x = 9,273.89 × 3,736.25
  4. Step 4: Simplify right side
    6,720.59x = 34,649,525.14
  5. Step 5: Solve for x
    x = 34,649,525.14/6,720.59
  6. Step 6: Final answer
    x = 5,155.72

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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.