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Finding the Fourth Proportional to 66,469.38, 99,671.67 and 22,080.84

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Solution

The fourth proportional to 66,469.38, 99,671.67 and 22,080.84 is: 33,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,469.38 : 99,671.67 = 22,080.84 : x
  2. Step 2: Convert to fraction form
    66,469.38/99,671.67 = 22,080.84/x
  3. Step 3: Cross multiply
    66,469.38x = 99,671.67 × 22,080.84
  4. Step 4: Simplify right side
    66,469.38x = 2,200,834,197.80
  5. Step 5: Solve for x
    x = 2,200,834,197.80/66,469.38
  6. Step 6: Final answer
    x = 33,110.50

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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.