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Finding the Fourth Proportional to 69,561.86, 95,989.02 and 39,349.94

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Solution

The fourth proportional to 69,561.86, 95,989.02 and 39,349.94 is: 54,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,561.86 : 95,989.02 = 39,349.94 : x
  2. Step 2: Convert to fraction form
    69,561.86/95,989.02 = 39,349.94/x
  3. Step 3: Cross multiply
    69,561.86x = 95,989.02 × 39,349.94
  4. Step 4: Simplify right side
    69,561.86x = 3,777,162,177.66
  5. Step 5: Solve for x
    x = 3,777,162,177.66/69,561.86
  6. Step 6: Final answer
    x = 54,299.33

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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.