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Finding the Fourth Proportional to 66,843.33, 100,268.01 and 21,867.25

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Solution

The fourth proportional to 66,843.33, 100,268.01 and 21,867.25 is: 32,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,843.33 : 100,268.01 = 21,867.25 : x
  2. Step 2: Convert to fraction form
    66,843.33/100,268.01 = 21,867.25/x
  3. Step 3: Cross multiply
    66,843.33x = 100,268.01 × 21,867.25
  4. Step 4: Simplify right side
    66,843.33x = 2,192,585,031.00
  5. Step 5: Solve for x
    x = 2,192,585,031.00/66,843.33
  6. Step 6: Final answer
    x = 32,801.85

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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.