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Finding the Fourth Proportional to 66,884.58, 100,197.54 and 37,212.66

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Solution

The fourth proportional to 66,884.58, 100,197.54 and 37,212.66 is: 55,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,884.58 : 100,197.54 = 37,212.66 : x
  2. Step 2: Convert to fraction form
    66,884.58/100,197.54 = 37,212.66/x
  3. Step 3: Cross multiply
    66,884.58x = 100,197.54 × 37,212.66
  4. Step 4: Simplify right side
    66,884.58x = 3,728,616,988.86
  5. Step 5: Solve for x
    x = 3,728,616,988.86/66,884.58
  6. Step 6: Final answer
    x = 55,747.03

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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.