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Finding the Fourth Proportional to 5,100.03, 7,651.26 and 1,813.41

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Solution

The fourth proportional to 5,100.03, 7,651.26 and 1,813.41 is: 2,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.03 : 7,651.26 = 1,813.41 : x
  2. Step 2: Convert to fraction form
    5,100.03/7,651.26 = 1,813.41/x
  3. Step 3: Cross multiply
    5,100.03x = 7,651.26 × 1,813.41
  4. Step 4: Simplify right side
    5,100.03x = 13,874,871.40
  5. Step 5: Solve for x
    x = 13,874,871.40/5,100.03
  6. Step 6: Final answer
    x = 2,720.55

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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.