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Finding the Fourth Proportional to 11,644.74, 17,461.76 and 3,745.80

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Solution

The fourth proportional to 11,644.74, 17,461.76 and 3,745.80 is: 5,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.74 : 17,461.76 = 3,745.80 : x
  2. Step 2: Convert to fraction form
    11,644.74/17,461.76 = 3,745.80/x
  3. Step 3: Cross multiply
    11,644.74x = 17,461.76 × 3,745.80
  4. Step 4: Simplify right side
    11,644.74x = 65,408,260.61
  5. Step 5: Solve for x
    x = 65,408,260.61/11,644.74
  6. Step 6: Final answer
    x = 5,616.98

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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.