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Finding the Fourth Proportional to 7,969.32, 10,974.69 and 7,945.02

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Solution

The fourth proportional to 7,969.32, 10,974.69 and 7,945.02 is: 10,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.32 : 10,974.69 = 7,945.02 : x
  2. Step 2: Convert to fraction form
    7,969.32/10,974.69 = 7,945.02/x
  3. Step 3: Cross multiply
    7,969.32x = 10,974.69 × 7,945.02
  4. Step 4: Simplify right side
    7,969.32x = 87,194,131.54
  5. Step 5: Solve for x
    x = 87,194,131.54/7,969.32
  6. Step 6: Final answer
    x = 10,941.23

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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.