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Finding the Fourth Proportional to 66,982.44, 100,407.96 and 37,425.24

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Solution

The fourth proportional to 66,982.44, 100,407.96 and 37,425.24 is: 56,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,982.44 : 100,407.96 = 37,425.24 : x
  2. Step 2: Convert to fraction form
    66,982.44/100,407.96 = 37,425.24/x
  3. Step 3: Cross multiply
    66,982.44x = 100,407.96 × 37,425.24
  4. Step 4: Simplify right side
    66,982.44x = 3,757,792,000.91
  5. Step 5: Solve for x
    x = 3,757,792,000.91/66,982.44
  6. Step 6: Final answer
    x = 56,101.15

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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.