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Finding the Fourth Proportional to 2,679.03, 4,014.90 and 2,676.60

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Solution

The fourth proportional to 2,679.03, 4,014.90 and 2,676.60 is: 4,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.03 : 4,014.90 = 2,676.60 : x
  2. Step 2: Convert to fraction form
    2,679.03/4,014.90 = 2,676.60/x
  3. Step 3: Cross multiply
    2,679.03x = 4,014.90 × 2,676.60
  4. Step 4: Simplify right side
    2,679.03x = 10,746,281.34
  5. Step 5: Solve for x
    x = 10,746,281.34/2,679.03
  6. Step 6: Final answer
    x = 4,011.26

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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.