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Finding the Fourth Proportional to 65,918.38, 98,912.43 and 35,954.25

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Solution

The fourth proportional to 65,918.38, 98,912.43 and 35,954.25 is: 53,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.38 : 98,912.43 = 35,954.25 : x
  2. Step 2: Convert to fraction form
    65,918.38/98,912.43 = 35,954.25/x
  3. Step 3: Cross multiply
    65,918.38x = 98,912.43 × 35,954.25
  4. Step 4: Simplify right side
    65,918.38x = 3,556,322,236.33
  5. Step 5: Solve for x
    x = 3,556,322,236.33/65,918.38
  6. Step 6: Final answer
    x = 53,950.39

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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.