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Finding the Fourth Proportional to 22,028.63, 33,032.09 and 7,986.55

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Solution

The fourth proportional to 22,028.63, 33,032.09 and 7,986.55 is: 11,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.63 : 33,032.09 = 7,986.55 : x
  2. Step 2: Convert to fraction form
    22,028.63/33,032.09 = 7,986.55/x
  3. Step 3: Cross multiply
    22,028.63x = 33,032.09 × 7,986.55
  4. Step 4: Simplify right side
    22,028.63x = 263,812,268.92
  5. Step 5: Solve for x
    x = 263,812,268.92/22,028.63
  6. Step 6: Final answer
    x = 11,975.88

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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.