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Finding the Fourth Proportional to 11,676.66, 17,518.04 and 3,885.54

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Solution

The fourth proportional to 11,676.66, 17,518.04 and 3,885.54 is: 5,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.66 : 17,518.04 = 3,885.54 : x
  2. Step 2: Convert to fraction form
    11,676.66/17,518.04 = 3,885.54/x
  3. Step 3: Cross multiply
    11,676.66x = 17,518.04 × 3,885.54
  4. Step 4: Simplify right side
    11,676.66x = 68,067,045.14
  5. Step 5: Solve for x
    x = 68,067,045.14/11,676.66
  6. Step 6: Final answer
    x = 5,829.32

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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.