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Finding the Fourth Proportional to 40,603.62, 60,910.38 and 17,222.16

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Solution

The fourth proportional to 40,603.62, 60,910.38 and 17,222.16 is: 25,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,603.62 : 60,910.38 = 17,222.16 : x
  2. Step 2: Convert to fraction form
    40,603.62/60,910.38 = 17,222.16/x
  3. Step 3: Cross multiply
    40,603.62x = 60,910.38 × 17,222.16
  4. Step 4: Simplify right side
    40,603.62x = 1,049,008,310.02
  5. Step 5: Solve for x
    x = 1,049,008,310.02/40,603.62
  6. Step 6: Final answer
    x = 25,835.34

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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.