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Finding the Fourth Proportional to 40,144.80, 60,238.80 and 16,773.60

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Solution

The fourth proportional to 40,144.80, 60,238.80 and 16,773.60 is: 25,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.80 : 60,238.80 = 16,773.60 : x
  2. Step 2: Convert to fraction form
    40,144.80/60,238.80 = 16,773.60/x
  3. Step 3: Cross multiply
    40,144.80x = 60,238.80 × 16,773.60
  4. Step 4: Simplify right side
    40,144.80x = 1,010,421,535.68
  5. Step 5: Solve for x
    x = 1,010,421,535.68/40,144.80
  6. Step 6: Final answer
    x = 25,169.43

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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.