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Finding the Fourth Proportional to 3,745.26, 5,617.98 and 1,664.82

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Solution

The fourth proportional to 3,745.26, 5,617.98 and 1,664.82 is: 2,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.26 : 5,617.98 = 1,664.82 : x
  2. Step 2: Convert to fraction form
    3,745.26/5,617.98 = 1,664.82/x
  3. Step 3: Cross multiply
    3,745.26x = 5,617.98 × 1,664.82
  4. Step 4: Simplify right side
    3,745.26x = 9,352,925.46
  5. Step 5: Solve for x
    x = 9,352,925.46/3,745.26
  6. Step 6: Final answer
    x = 2,497.27

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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.