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Finding the Fourth Proportional to 69,304.54, 95,640.14 and 39,089.77

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Solution

The fourth proportional to 69,304.54, 95,640.14 and 39,089.77 is: 53,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,304.54 : 95,640.14 = 39,089.77 : x
  2. Step 2: Convert to fraction form
    69,304.54/95,640.14 = 39,089.77/x
  3. Step 3: Cross multiply
    69,304.54x = 95,640.14 × 39,089.77
  4. Step 4: Simplify right side
    69,304.54x = 3,738,550,401.72
  5. Step 5: Solve for x
    x = 3,738,550,401.72/69,304.54
  6. Step 6: Final answer
    x = 53,943.81

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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.