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Finding the Fourth Proportional to 47,752.74, 71,629.11 and 18,163.64

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Solution

The fourth proportional to 47,752.74, 71,629.11 and 18,163.64 is: 27,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,752.74 : 71,629.11 = 18,163.64 : x
  2. Step 2: Convert to fraction form
    47,752.74/71,629.11 = 18,163.64/x
  3. Step 3: Cross multiply
    47,752.74x = 71,629.11 × 18,163.64
  4. Step 4: Simplify right side
    47,752.74x = 1,301,045,546.63
  5. Step 5: Solve for x
    x = 1,301,045,546.63/47,752.74
  6. Step 6: Final answer
    x = 27,245.46

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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.