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Finding the Fourth Proportional to 47,676.66, 71,512.66 and 17,696.73

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Solution

The fourth proportional to 47,676.66, 71,512.66 and 17,696.73 is: 26,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.66 : 71,512.66 = 17,696.73 : x
  2. Step 2: Convert to fraction form
    47,676.66/71,512.66 = 17,696.73/x
  3. Step 3: Cross multiply
    47,676.66x = 71,512.66 × 17,696.73
  4. Step 4: Simplify right side
    47,676.66x = 1,265,540,235.60
  5. Step 5: Solve for x
    x = 1,265,540,235.60/47,676.66
  6. Step 6: Final answer
    x = 26,544.23

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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.