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Finding the Fourth Proportional to 3,273.67, 4,910.32 and 808.48

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Solution

The fourth proportional to 3,273.67, 4,910.32 and 808.48 is: 1,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.67 : 4,910.32 = 808.48 : x
  2. Step 2: Convert to fraction form
    3,273.67/4,910.32 = 808.48/x
  3. Step 3: Cross multiply
    3,273.67x = 4,910.32 × 808.48
  4. Step 4: Simplify right side
    3,273.67x = 3,969,895.51
  5. Step 5: Solve for x
    x = 3,969,895.51/3,273.67
  6. Step 6: Final answer
    x = 1,212.67

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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.