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Finding the Fourth Proportional to 9,250.95, 12,767.56 and 5,218.60

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Solution

The fourth proportional to 9,250.95, 12,767.56 and 5,218.60 is: 7,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250.95 : 12,767.56 = 5,218.60 : x
  2. Step 2: Convert to fraction form
    9,250.95/12,767.56 = 5,218.60/x
  3. Step 3: Cross multiply
    9,250.95x = 12,767.56 × 5,218.60
  4. Step 4: Simplify right side
    9,250.95x = 66,628,788.62
  5. Step 5: Solve for x
    x = 66,628,788.62/9,250.95
  6. Step 6: Final answer
    x = 7,202.37

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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.