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Finding the Fourth Proportional to 17,361.91, 26,116.77 and 15,738.04

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Solution

The fourth proportional to 17,361.91, 26,116.77 and 15,738.04 is: 23,674.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.91 : 26,116.77 = 15,738.04 : x
  2. Step 2: Convert to fraction form
    17,361.91/26,116.77 = 15,738.04/x
  3. Step 3: Cross multiply
    17,361.91x = 26,116.77 × 15,738.04
  4. Step 4: Simplify right side
    17,361.91x = 411,026,770.93
  5. Step 5: Solve for x
    x = 411,026,770.93/17,361.91
  6. Step 6: Final answer
    x = 23,674.05

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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.