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Finding the Fourth Proportional to 71,517.76, 98,629.92 and 44,662.72

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Solution

The fourth proportional to 71,517.76, 98,629.92 and 44,662.72 is: 61,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,517.76 : 98,629.92 = 44,662.72 : x
  2. Step 2: Convert to fraction form
    71,517.76/98,629.92 = 44,662.72/x
  3. Step 3: Cross multiply
    71,517.76x = 98,629.92 × 44,662.72
  4. Step 4: Simplify right side
    71,517.76x = 4,405,080,500.58
  5. Step 5: Solve for x
    x = 4,405,080,500.58/71,517.76
  6. Step 6: Final answer
    x = 61,594.22

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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.