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Finding the Fourth Proportional to 69,668.91, 104,470.44 and 26,994.33

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Solution

The fourth proportional to 69,668.91, 104,470.44 and 26,994.33 is: 40,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.91 : 104,470.44 = 26,994.33 : x
  2. Step 2: Convert to fraction form
    69,668.91/104,470.44 = 26,994.33/x
  3. Step 3: Cross multiply
    69,668.91x = 104,470.44 × 26,994.33
  4. Step 4: Simplify right side
    69,668.91x = 2,820,109,532.61
  5. Step 5: Solve for x
    x = 2,820,109,532.61/69,668.91
  6. Step 6: Final answer
    x = 40,478.74

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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.