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Finding the Fourth Proportional to 29,629.43, 44,446.51 and 9,908.09

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Solution

The fourth proportional to 29,629.43, 44,446.51 and 9,908.09 is: 14,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,629.43 : 44,446.51 = 9,908.09 : x
  2. Step 2: Convert to fraction form
    29,629.43/44,446.51 = 9,908.09/x
  3. Step 3: Cross multiply
    29,629.43x = 44,446.51 × 9,908.09
  4. Step 4: Simplify right side
    29,629.43x = 440,380,021.27
  5. Step 5: Solve for x
    x = 440,380,021.27/29,629.43
  6. Step 6: Final answer
    x = 14,862.93

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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.