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Finding the Fourth Proportional to 8,273.54, 12,412.62 and 3,346.63

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Solution

The fourth proportional to 8,273.54, 12,412.62 and 3,346.63 is: 5,020.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.54 : 12,412.62 = 3,346.63 : x
  2. Step 2: Convert to fraction form
    8,273.54/12,412.62 = 3,346.63/x
  3. Step 3: Cross multiply
    8,273.54x = 12,412.62 × 3,346.63
  4. Step 4: Simplify right side
    8,273.54x = 41,540,446.47
  5. Step 5: Solve for x
    x = 41,540,446.47/8,273.54
  6. Step 6: Final answer
    x = 5,020.88

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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.