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Finding the Fourth Proportional to 69,364.50, 95,723.01 and 39,556.50

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Solution

The fourth proportional to 69,364.50, 95,723.01 and 39,556.50 is: 54,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,364.50 : 95,723.01 = 39,556.50 : x
  2. Step 2: Convert to fraction form
    69,364.50/95,723.01 = 39,556.50/x
  3. Step 3: Cross multiply
    69,364.50x = 95,723.01 × 39,556.50
  4. Step 4: Simplify right side
    69,364.50x = 3,786,467,245.07
  5. Step 5: Solve for x
    x = 3,786,467,245.07/69,364.50
  6. Step 6: Final answer
    x = 54,587.97

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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.