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Finding the Fourth Proportional to 30,201.84, 41,679 and 16,773.96

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Solution

The fourth proportional to 30,201.84, 41,679 and 16,773.96 is: 23,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.84 : 41,679 = 16,773.96 : x
  2. Step 2: Convert to fraction form
    30,201.84/41,679 = 16,773.96/x
  3. Step 3: Cross multiply
    30,201.84x = 41,679 × 16,773.96
  4. Step 4: Simplify right side
    30,201.84x = 699,121,878.84
  5. Step 5: Solve for x
    x = 699,121,878.84/30,201.84
  6. Step 6: Final answer
    x = 23,148.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.