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Finding the Fourth Proportional to 69,668.64, 104,512.05 and 25,288.92

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Solution

The fourth proportional to 69,668.64, 104,512.05 and 25,288.92 is: 37,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.64 : 104,512.05 = 25,288.92 : x
  2. Step 2: Convert to fraction form
    69,668.64/104,512.05 = 25,288.92/x
  3. Step 3: Cross multiply
    69,668.64x = 104,512.05 × 25,288.92
  4. Step 4: Simplify right side
    69,668.64x = 2,642,996,871.49
  5. Step 5: Solve for x
    x = 2,642,996,871.49/69,668.64
  6. Step 6: Final answer
    x = 37,936.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.