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Finding the Fourth Proportional to 69,262.18, 95,584.62 and 39,048.64

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Solution

The fourth proportional to 69,262.18, 95,584.62 and 39,048.64 is: 53,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,262.18 : 95,584.62 = 39,048.64 : x
  2. Step 2: Convert to fraction form
    69,262.18/95,584.62 = 39,048.64/x
  3. Step 3: Cross multiply
    69,262.18x = 95,584.62 × 39,048.64
  4. Step 4: Simplify right side
    69,262.18x = 3,732,449,415.92
  5. Step 5: Solve for x
    x = 3,732,449,415.92/69,262.18
  6. Step 6: Final answer
    x = 53,888.71

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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.