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Finding the Fourth Proportional to 53,757.44, 80,559.80 and 39,606.20

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Solution

The fourth proportional to 53,757.44, 80,559.80 and 39,606.20 is: 59,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,757.44 : 80,559.80 = 39,606.20 : x
  2. Step 2: Convert to fraction form
    53,757.44/80,559.80 = 39,606.20/x
  3. Step 3: Cross multiply
    53,757.44x = 80,559.80 × 39,606.20
  4. Step 4: Simplify right side
    53,757.44x = 3,190,667,400.55
  5. Step 5: Solve for x
    x = 3,190,667,400.55/53,757.44
  6. Step 6: Final answer
    x = 59,353.04

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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.