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Finding the Fourth Proportional to 57,063.44, 85,564.64 and 19,096

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Solution

The fourth proportional to 57,063.44, 85,564.64 and 19,096 is: 28,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063.44 : 85,564.64 = 19,096 : x
  2. Step 2: Convert to fraction form
    57,063.44/85,564.64 = 19,096/x
  3. Step 3: Cross multiply
    57,063.44x = 85,564.64 × 19,096
  4. Step 4: Simplify right side
    57,063.44x = 1,633,942,365.44
  5. Step 5: Solve for x
    x = 1,633,942,365.44/57,063.44
  6. Step 6: Final answer
    x = 28,633.79

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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.