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Finding the Fourth Proportional to 33,606.60, 50,441.04 and 16,978.35

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Solution

The fourth proportional to 33,606.60, 50,441.04 and 16,978.35 is: 25,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,606.60 : 50,441.04 = 16,978.35 : x
  2. Step 2: Convert to fraction form
    33,606.60/50,441.04 = 16,978.35/x
  3. Step 3: Cross multiply
    33,606.60x = 50,441.04 × 16,978.35
  4. Step 4: Simplify right side
    33,606.60x = 856,405,546.59
  5. Step 5: Solve for x
    x = 856,405,546.59/33,606.60
  6. Step 6: Final answer
    x = 25,483.25

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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.