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Finding the Fourth Proportional to 33,212.99, 45,833.24 and 18,308.99

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Solution

The fourth proportional to 33,212.99, 45,833.24 and 18,308.99 is: 25,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212.99 : 45,833.24 = 18,308.99 : x
  2. Step 2: Convert to fraction form
    33,212.99/45,833.24 = 18,308.99/x
  3. Step 3: Cross multiply
    33,212.99x = 45,833.24 × 18,308.99
  4. Step 4: Simplify right side
    33,212.99x = 839,160,149.43
  5. Step 5: Solve for x
    x = 839,160,149.43/33,212.99
  6. Step 6: Final answer
    x = 25,266.03

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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.