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Finding the Fourth Proportional to 33,630.81, 46,410.81 and 18,523.99

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Solution

The fourth proportional to 33,630.81, 46,410.81 and 18,523.99 is: 25,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.81 : 46,410.81 = 18,523.99 : x
  2. Step 2: Convert to fraction form
    33,630.81/46,410.81 = 18,523.99/x
  3. Step 3: Cross multiply
    33,630.81x = 46,410.81 × 18,523.99
  4. Step 4: Simplify right side
    33,630.81x = 859,713,380.33
  5. Step 5: Solve for x
    x = 859,713,380.33/33,630.81
  6. Step 6: Final answer
    x = 25,563.27

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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.