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Finding the Fourth Proportional to 53,336.70, 80,004.53 and 21,739.34

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Solution

The fourth proportional to 53,336.70, 80,004.53 and 21,739.34 is: 32,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,336.70 : 80,004.53 = 21,739.34 : x
  2. Step 2: Convert to fraction form
    53,336.70/80,004.53 = 21,739.34/x
  3. Step 3: Cross multiply
    53,336.70x = 80,004.53 × 21,739.34
  4. Step 4: Simplify right side
    53,336.70x = 1,739,245,933.57
  5. Step 5: Solve for x
    x = 1,739,245,933.57/53,336.70
  6. Step 6: Final answer
    x = 32,608.80

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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.