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Finding the Fourth Proportional to 37,906.56, 56,851.20 and 17,136

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Solution

The fourth proportional to 37,906.56, 56,851.20 and 17,136 is: 25,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,906.56 : 56,851.20 = 17,136 : x
  2. Step 2: Convert to fraction form
    37,906.56/56,851.20 = 17,136/x
  3. Step 3: Cross multiply
    37,906.56x = 56,851.20 × 17,136
  4. Step 4: Simplify right side
    37,906.56x = 974,202,163.20
  5. Step 5: Solve for x
    x = 974,202,163.20/37,906.56
  6. Step 6: Final answer
    x = 25,700.09

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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.