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Finding the Fourth Proportional to 29,993.77, 41,391.69 and 17,072.42

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Solution

The fourth proportional to 29,993.77, 41,391.69 and 17,072.42 is: 23,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.77 : 41,391.69 = 17,072.42 : x
  2. Step 2: Convert to fraction form
    29,993.77/41,391.69 = 17,072.42/x
  3. Step 3: Cross multiply
    29,993.77x = 41,391.69 × 17,072.42
  4. Step 4: Simplify right side
    29,993.77x = 706,656,087.89
  5. Step 5: Solve for x
    x = 706,656,087.89/29,993.77
  6. Step 6: Final answer
    x = 23,560.09

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1.5x scale

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.