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Finding the Fourth Proportional to 51,793.80, 77,690.70 and 16,260.60

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Solution

The fourth proportional to 51,793.80, 77,690.70 and 16,260.60 is: 24,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,793.80 : 77,690.70 = 16,260.60 : x
  2. Step 2: Convert to fraction form
    51,793.80/77,690.70 = 16,260.60/x
  3. Step 3: Cross multiply
    51,793.80x = 77,690.70 × 16,260.60
  4. Step 4: Simplify right side
    51,793.80x = 1,263,297,396.42
  5. Step 5: Solve for x
    x = 1,263,297,396.42/51,793.80
  6. Step 6: Final answer
    x = 24,390.90

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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.