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Finding the Fourth Proportional to 40,892.16, 61,361.92 and 17,197.92

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Solution

The fourth proportional to 40,892.16, 61,361.92 and 17,197.92 is: 25,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,892.16 : 61,361.92 = 17,197.92 : x
  2. Step 2: Convert to fraction form
    40,892.16/61,361.92 = 17,197.92/x
  3. Step 3: Cross multiply
    40,892.16x = 61,361.92 × 17,197.92
  4. Step 4: Simplify right side
    40,892.16x = 1,055,297,391.21
  5. Step 5: Solve for x
    x = 1,055,297,391.21/40,892.16
  6. Step 6: Final answer
    x = 25,806.84

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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.