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Finding the Fourth Proportional to 69,885, 96,440.34 and 41,589.96

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Solution

The fourth proportional to 69,885, 96,440.34 and 41,589.96 is: 57,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,885 : 96,440.34 = 41,589.96 : x
  2. Step 2: Convert to fraction form
    69,885/96,440.34 = 41,589.96/x
  3. Step 3: Cross multiply
    69,885x = 96,440.34 × 41,589.96
  4. Step 4: Simplify right side
    69,885x = 4,010,949,882.99
  5. Step 5: Solve for x
    x = 4,010,949,882.99/69,885
  6. Step 6: Final answer
    x = 57,393.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.