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Finding the Fourth Proportional to 65,912.33, 98,934.11 and 36,344.09

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Solution

The fourth proportional to 65,912.33, 98,934.11 and 36,344.09 is: 54,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,912.33 : 98,934.11 = 36,344.09 : x
  2. Step 2: Convert to fraction form
    65,912.33/98,934.11 = 36,344.09/x
  3. Step 3: Cross multiply
    65,912.33x = 98,934.11 × 36,344.09
  4. Step 4: Simplify right side
    65,912.33x = 3,595,669,521.52
  5. Step 5: Solve for x
    x = 3,595,669,521.52/65,912.33
  6. Step 6: Final answer
    x = 54,552.31

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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.