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Finding the Fourth Proportional to 30,906.60, 42,601.32 and 24,181.44

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Solution

The fourth proportional to 30,906.60, 42,601.32 and 24,181.44 is: 33,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.60 : 42,601.32 = 24,181.44 : x
  2. Step 2: Convert to fraction form
    30,906.60/42,601.32 = 24,181.44/x
  3. Step 3: Cross multiply
    30,906.60x = 42,601.32 × 24,181.44
  4. Step 4: Simplify right side
    30,906.60x = 1,030,161,263.50
  5. Step 5: Solve for x
    x = 1,030,161,263.50/30,906.60
  6. Step 6: Final answer
    x = 33,331.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.