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Finding the Fourth Proportional to 69,491.15, 95,898.11 and 37,660.08

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Solution

The fourth proportional to 69,491.15, 95,898.11 and 37,660.08 is: 51,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,491.15 : 95,898.11 = 37,660.08 : x
  2. Step 2: Convert to fraction form
    69,491.15/95,898.11 = 37,660.08/x
  3. Step 3: Cross multiply
    69,491.15x = 95,898.11 × 37,660.08
  4. Step 4: Simplify right side
    69,491.15x = 3,611,530,306.15
  5. Step 5: Solve for x
    x = 3,611,530,306.15/69,491.15
  6. Step 6: Final answer
    x = 51,971.09

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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.