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Finding the Fourth Proportional to 29,256, 43,884.48 and 8,481.60

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Solution

The fourth proportional to 29,256, 43,884.48 and 8,481.60 is: 12,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,256 : 43,884.48 = 8,481.60 : x
  2. Step 2: Convert to fraction form
    29,256/43,884.48 = 8,481.60/x
  3. Step 3: Cross multiply
    29,256x = 43,884.48 × 8,481.60
  4. Step 4: Simplify right side
    29,256x = 372,210,605.57
  5. Step 5: Solve for x
    x = 372,210,605.57/29,256
  6. Step 6: Final answer
    x = 12,722.54

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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.