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Finding the Fourth Proportional to 7,996.67, 11,993.18 and 3,615.38

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Solution

The fourth proportional to 7,996.67, 11,993.18 and 3,615.38 is: 5,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.67 : 11,993.18 = 3,615.38 : x
  2. Step 2: Convert to fraction form
    7,996.67/11,993.18 = 3,615.38/x
  3. Step 3: Cross multiply
    7,996.67x = 11,993.18 × 3,615.38
  4. Step 4: Simplify right side
    7,996.67x = 43,359,825.07
  5. Step 5: Solve for x
    x = 43,359,825.07/7,996.67
  6. Step 6: Final answer
    x = 5,422.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.