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Finding the Fourth Proportional to 61,765.88, 92,640.62 and 17,396.12

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Solution

The fourth proportional to 61,765.88, 92,640.62 and 17,396.12 is: 26,091.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,765.88 : 92,640.62 = 17,396.12 : x
  2. Step 2: Convert to fraction form
    61,765.88/92,640.62 = 17,396.12/x
  3. Step 3: Cross multiply
    61,765.88x = 92,640.62 × 17,396.12
  4. Step 4: Simplify right side
    61,765.88x = 1,611,586,922.68
  5. Step 5: Solve for x
    x = 1,611,586,922.68/61,765.88
  6. Step 6: Final answer
    x = 26,091.87

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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.