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Finding the Fourth Proportional to 16,793.60, 25,168.80 and 10,212.80

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Solution

The fourth proportional to 16,793.60, 25,168.80 and 10,212.80 is: 15,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,793.60 : 25,168.80 = 10,212.80 : x
  2. Step 2: Convert to fraction form
    16,793.60/25,168.80 = 10,212.80/x
  3. Step 3: Cross multiply
    16,793.60x = 25,168.80 × 10,212.80
  4. Step 4: Simplify right side
    16,793.60x = 257,043,920.64
  5. Step 5: Solve for x
    x = 257,043,920.64/16,793.60
  6. Step 6: Final answer
    x = 15,306.06

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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.