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Finding the Fourth Proportional to 23,958.40, 35,912.96 and 8,365.44

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Solution

The fourth proportional to 23,958.40, 35,912.96 and 8,365.44 is: 12,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,958.40 : 35,912.96 = 8,365.44 : x
  2. Step 2: Convert to fraction form
    23,958.40/35,912.96 = 8,365.44/x
  3. Step 3: Cross multiply
    23,958.40x = 35,912.96 × 8,365.44
  4. Step 4: Simplify right side
    23,958.40x = 300,427,712.10
  5. Step 5: Solve for x
    x = 300,427,712.10/23,958.40
  6. Step 6: Final answer
    x = 12,539.56

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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.