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Finding the Fourth Proportional to 11,793.70, 17,690.60 and 11,202.47

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Solution

The fourth proportional to 11,793.70, 17,690.60 and 11,202.47 is: 16,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.70 : 17,690.60 = 11,202.47 : x
  2. Step 2: Convert to fraction form
    11,793.70/17,690.60 = 11,202.47/x
  3. Step 3: Cross multiply
    11,793.70x = 17,690.60 × 11,202.47
  4. Step 4: Simplify right side
    11,793.70x = 198,178,415.78
  5. Step 5: Solve for x
    x = 198,178,415.78/11,793.70
  6. Step 6: Final answer
    x = 16,803.75

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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.