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Finding the Fourth Proportional to 67,811.98, 93,586.08 and 37,606.78

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Solution

The fourth proportional to 67,811.98, 93,586.08 and 37,606.78 is: 51,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,811.98 : 93,586.08 = 37,606.78 : x
  2. Step 2: Convert to fraction form
    67,811.98/93,586.08 = 37,606.78/x
  3. Step 3: Cross multiply
    67,811.98x = 93,586.08 × 37,606.78
  4. Step 4: Simplify right side
    67,811.98x = 3,519,471,121.62
  5. Step 5: Solve for x
    x = 3,519,471,121.62/67,811.98
  6. Step 6: Final answer
    x = 51,900.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.