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Finding the Fourth Proportional to 66,296.75, 99,435.24 and 21,923.73

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Solution

The fourth proportional to 66,296.75, 99,435.24 and 21,923.73 is: 32,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,296.75 : 99,435.24 = 21,923.73 : x
  2. Step 2: Convert to fraction form
    66,296.75/99,435.24 = 21,923.73/x
  3. Step 3: Cross multiply
    66,296.75x = 99,435.24 × 21,923.73
  4. Step 4: Simplify right side
    66,296.75x = 2,179,991,354.25
  5. Step 5: Solve for x
    x = 2,179,991,354.25/66,296.75
  6. Step 6: Final answer
    x = 32,882.33

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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.