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Finding the Fourth Proportional to 17,661.67, 24,360 and 16,604.03

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Solution

The fourth proportional to 17,661.67, 24,360 and 16,604.03 is: 22,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.67 : 24,360 = 16,604.03 : x
  2. Step 2: Convert to fraction form
    17,661.67/24,360 = 16,604.03/x
  3. Step 3: Cross multiply
    17,661.67x = 24,360 × 16,604.03
  4. Step 4: Simplify right side
    17,661.67x = 404,474,170.80
  5. Step 5: Solve for x
    x = 404,474,170.80/17,661.67
  6. Step 6: Final answer
    x = 22,901.24

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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.