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Finding the Fourth Proportional to 33,927.60, 50,905.80 and 16,388.40

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Solution

The fourth proportional to 33,927.60, 50,905.80 and 16,388.40 is: 24,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,927.60 : 50,905.80 = 16,388.40 : x
  2. Step 2: Convert to fraction form
    33,927.60/50,905.80 = 16,388.40/x
  3. Step 3: Cross multiply
    33,927.60x = 50,905.80 × 16,388.40
  4. Step 4: Simplify right side
    33,927.60x = 834,264,612.72
  5. Step 5: Solve for x
    x = 834,264,612.72/33,927.60
  6. Step 6: Final answer
    x = 24,589.56

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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.