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Finding the Fourth Proportional to 6,724.94, 10,090.87 and 5,091.53

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Solution

The fourth proportional to 6,724.94, 10,090.87 and 5,091.53 is: 7,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.94 : 10,090.87 = 5,091.53 : x
  2. Step 2: Convert to fraction form
    6,724.94/10,090.87 = 5,091.53/x
  3. Step 3: Cross multiply
    6,724.94x = 10,090.87 × 5,091.53
  4. Step 4: Simplify right side
    6,724.94x = 51,377,904.15
  5. Step 5: Solve for x
    x = 51,377,904.15/6,724.94
  6. Step 6: Final answer
    x = 7,639.90

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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.