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Finding the Fourth Proportional to 52,390.44, 78,600.97 and 16,850.96

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Solution

The fourth proportional to 52,390.44, 78,600.97 and 16,850.96 is: 25,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,390.44 : 78,600.97 = 16,850.96 : x
  2. Step 2: Convert to fraction form
    52,390.44/78,600.97 = 16,850.96/x
  3. Step 3: Cross multiply
    52,390.44x = 78,600.97 × 16,850.96
  4. Step 4: Simplify right side
    52,390.44x = 1,324,501,724.24
  5. Step 5: Solve for x
    x = 1,324,501,724.24/52,390.44
  6. Step 6: Final answer
    x = 25,281.36

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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.