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Finding the Fourth Proportional to 23,190.80, 34,764.60 and 16,170.80

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Solution

The fourth proportional to 23,190.80, 34,764.60 and 16,170.80 is: 24,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,190.80 : 34,764.60 = 16,170.80 : x
  2. Step 2: Convert to fraction form
    23,190.80/34,764.60 = 16,170.80/x
  3. Step 3: Cross multiply
    23,190.80x = 34,764.60 × 16,170.80
  4. Step 4: Simplify right side
    23,190.80x = 562,171,393.68
  5. Step 5: Solve for x
    x = 562,171,393.68/23,190.80
  6. Step 6: Final answer
    x = 24,241.14

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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.