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Finding the Fourth Proportional to 52,894.31, 79,342.62 and 19,163.34

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Solution

The fourth proportional to 52,894.31, 79,342.62 and 19,163.34 is: 28,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,894.31 : 79,342.62 = 19,163.34 : x
  2. Step 2: Convert to fraction form
    52,894.31/79,342.62 = 19,163.34/x
  3. Step 3: Cross multiply
    52,894.31x = 79,342.62 × 19,163.34
  4. Step 4: Simplify right side
    52,894.31x = 1,520,469,507.73
  5. Step 5: Solve for x
    x = 1,520,469,507.73/52,894.31
  6. Step 6: Final answer
    x = 28,745.43

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1.5x scale

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.