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Finding the Fourth Proportional to 7,226.60, 10,839.90 and 6,074.60

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Solution

The fourth proportional to 7,226.60, 10,839.90 and 6,074.60 is: 9,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.60 : 10,839.90 = 6,074.60 : x
  2. Step 2: Convert to fraction form
    7,226.60/10,839.90 = 6,074.60/x
  3. Step 3: Cross multiply
    7,226.60x = 10,839.90 × 6,074.60
  4. Step 4: Simplify right side
    7,226.60x = 65,848,056.54
  5. Step 5: Solve for x
    x = 65,848,056.54/7,226.60
  6. Step 6: Final answer
    x = 9,111.90

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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.