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Finding the Fourth Proportional to 4,498.89, 6,745.41 and 1,865.67

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Solution

The fourth proportional to 4,498.89, 6,745.41 and 1,865.67 is: 2,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.89 : 6,745.41 = 1,865.67 : x
  2. Step 2: Convert to fraction form
    4,498.89/6,745.41 = 1,865.67/x
  3. Step 3: Cross multiply
    4,498.89x = 6,745.41 × 1,865.67
  4. Step 4: Simplify right side
    4,498.89x = 12,584,709.07
  5. Step 5: Solve for x
    x = 12,584,709.07/4,498.89
  6. Step 6: Final answer
    x = 2,797.29

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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.