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Finding the Fourth Proportional to 66,910.98, 100,366.64 and 22,568.88

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Solution

The fourth proportional to 66,910.98, 100,366.64 and 22,568.88 is: 33,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.98 : 100,366.64 = 22,568.88 : x
  2. Step 2: Convert to fraction form
    66,910.98/100,366.64 = 22,568.88/x
  3. Step 3: Cross multiply
    66,910.98x = 100,366.64 × 22,568.88
  4. Step 4: Simplify right side
    66,910.98x = 2,265,162,654.16
  5. Step 5: Solve for x
    x = 2,265,162,654.16/66,910.98
  6. Step 6: Final answer
    x = 33,853.38

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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.