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Finding the Fourth Proportional to 33,164.79, 45,766.94 and 18,260.79

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Solution

The fourth proportional to 33,164.79, 45,766.94 and 18,260.79 is: 25,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,164.79 : 45,766.94 = 18,260.79 : x
  2. Step 2: Convert to fraction form
    33,164.79/45,766.94 = 18,260.79/x
  3. Step 3: Cross multiply
    33,164.79x = 45,766.94 × 18,260.79
  4. Step 4: Simplify right side
    33,164.79x = 835,740,388.98
  5. Step 5: Solve for x
    x = 835,740,388.98/33,164.79
  6. Step 6: Final answer
    x = 25,199.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.