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Finding the Fourth Proportional to 5,541.26, 8,310.80 and 1,644.80

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Solution

The fourth proportional to 5,541.26, 8,310.80 and 1,644.80 is: 2,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.26 : 8,310.80 = 1,644.80 : x
  2. Step 2: Convert to fraction form
    5,541.26/8,310.80 = 1,644.80/x
  3. Step 3: Cross multiply
    5,541.26x = 8,310.80 × 1,644.80
  4. Step 4: Simplify right side
    5,541.26x = 13,669,603.84
  5. Step 5: Solve for x
    x = 13,669,603.84/5,541.26
  6. Step 6: Final answer
    x = 2,466.88

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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.