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Finding the Fourth Proportional to 66,704.42, 100,056.82 and 27,261.54

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Solution

The fourth proportional to 66,704.42, 100,056.82 and 27,261.54 is: 40,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,704.42 : 100,056.82 = 27,261.54 : x
  2. Step 2: Convert to fraction form
    66,704.42/100,056.82 = 27,261.54/x
  3. Step 3: Cross multiply
    66,704.42x = 100,056.82 × 27,261.54
  4. Step 4: Simplify right side
    66,704.42x = 2,727,703,000.70
  5. Step 5: Solve for x
    x = 2,727,703,000.70/66,704.42
  6. Step 6: Final answer
    x = 40,892.39

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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.