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Finding the Fourth Proportional to 30,222.60, 41,704.80 and 16,793.64

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Solution

The fourth proportional to 30,222.60, 41,704.80 and 16,793.64 is: 23,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.60 : 41,704.80 = 16,793.64 : x
  2. Step 2: Convert to fraction form
    30,222.60/41,704.80 = 16,793.64/x
  3. Step 3: Cross multiply
    30,222.60x = 41,704.80 × 16,793.64
  4. Step 4: Simplify right side
    30,222.60x = 700,375,397.47
  5. Step 5: Solve for x
    x = 700,375,397.47/30,222.60
  6. Step 6: Final answer
    x = 23,173.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.