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Finding the Fourth Proportional to 45,474.44, 68,222.21 and 14,308.88

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Solution

The fourth proportional to 45,474.44, 68,222.21 and 14,308.88 is: 21,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,474.44 : 68,222.21 = 14,308.88 : x
  2. Step 2: Convert to fraction form
    45,474.44/68,222.21 = 14,308.88/x
  3. Step 3: Cross multiply
    45,474.44x = 68,222.21 × 14,308.88
  4. Step 4: Simplify right side
    45,474.44x = 976,183,003.57
  5. Step 5: Solve for x
    x = 976,183,003.57/45,474.44
  6. Step 6: Final answer
    x = 21,466.63

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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.