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Finding the Fourth Proportional to 29,220.57, 43,821.54 and 9,494.37

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Solution

The fourth proportional to 29,220.57, 43,821.54 and 9,494.37 is: 14,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,220.57 : 43,821.54 = 9,494.37 : x
  2. Step 2: Convert to fraction form
    29,220.57/43,821.54 = 9,494.37/x
  3. Step 3: Cross multiply
    29,220.57x = 43,821.54 × 9,494.37
  4. Step 4: Simplify right side
    29,220.57x = 416,057,914.73
  5. Step 5: Solve for x
    x = 416,057,914.73/29,220.57
  6. Step 6: Final answer
    x = 14,238.53

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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.