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Finding the Fourth Proportional to 11,680.03, 17,521.03 and 3,676.64

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Solution

The fourth proportional to 11,680.03, 17,521.03 and 3,676.64 is: 5,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.03 : 17,521.03 = 3,676.64 : x
  2. Step 2: Convert to fraction form
    11,680.03/17,521.03 = 3,676.64/x
  3. Step 3: Cross multiply
    11,680.03x = 17,521.03 × 3,676.64
  4. Step 4: Simplify right side
    11,680.03x = 64,418,436.73
  5. Step 5: Solve for x
    x = 64,418,436.73/11,680.03
  6. Step 6: Final answer
    x = 5,515.26

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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.