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Finding the Fourth Proportional to 4,868.22, 7,299.90 and 2,234.88

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Solution

The fourth proportional to 4,868.22, 7,299.90 and 2,234.88 is: 3,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.22 : 7,299.90 = 2,234.88 : x
  2. Step 2: Convert to fraction form
    4,868.22/7,299.90 = 2,234.88/x
  3. Step 3: Cross multiply
    4,868.22x = 7,299.90 × 2,234.88
  4. Step 4: Simplify right side
    4,868.22x = 16,314,400.51
  5. Step 5: Solve for x
    x = 16,314,400.51/4,868.22
  6. Step 6: Final answer
    x = 3,351.20

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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.