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Finding the Fourth Proportional to 43,741.44, 65,614.88 and 12,576.96

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Solution

The fourth proportional to 43,741.44, 65,614.88 and 12,576.96 is: 18,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,741.44 : 65,614.88 = 12,576.96 : x
  2. Step 2: Convert to fraction form
    43,741.44/65,614.88 = 12,576.96/x
  3. Step 3: Cross multiply
    43,741.44x = 65,614.88 × 12,576.96
  4. Step 4: Simplify right side
    43,741.44x = 825,235,721.16
  5. Step 5: Solve for x
    x = 825,235,721.16/43,741.44
  6. Step 6: Final answer
    x = 18,866.22

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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.