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Finding the Fourth Proportional to 41,520.80, 62,302.80 and 18,149.60

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Solution

The fourth proportional to 41,520.80, 62,302.80 and 18,149.60 is: 27,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,520.80 : 62,302.80 = 18,149.60 : x
  2. Step 2: Convert to fraction form
    41,520.80/62,302.80 = 18,149.60/x
  3. Step 3: Cross multiply
    41,520.80x = 62,302.80 × 18,149.60
  4. Step 4: Simplify right side
    41,520.80x = 1,130,770,898.88
  5. Step 5: Solve for x
    x = 1,130,770,898.88/41,520.80
  6. Step 6: Final answer
    x = 27,233.84

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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.