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Finding the Fourth Proportional to 11,775.70, 17,650.39 and 5,104.49

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Solution

The fourth proportional to 11,775.70, 17,650.39 and 5,104.49 is: 7,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.70 : 17,650.39 = 5,104.49 : x
  2. Step 2: Convert to fraction form
    11,775.70/17,650.39 = 5,104.49/x
  3. Step 3: Cross multiply
    11,775.70x = 17,650.39 × 5,104.49
  4. Step 4: Simplify right side
    11,775.70x = 90,096,270.62
  5. Step 5: Solve for x
    x = 90,096,270.62/11,775.70
  6. Step 6: Final answer
    x = 7,651.04

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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.