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Finding the Fourth Proportional to 36,716.63, 50,668.94 and 21,812.63

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Solution

The fourth proportional to 36,716.63, 50,668.94 and 21,812.63 is: 30,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,716.63 : 50,668.94 = 21,812.63 : x
  2. Step 2: Convert to fraction form
    36,716.63/50,668.94 = 21,812.63/x
  3. Step 3: Cross multiply
    36,716.63x = 50,668.94 × 21,812.63
  4. Step 4: Simplify right side
    36,716.63x = 1,105,222,641.90
  5. Step 5: Solve for x
    x = 1,105,222,641.90/36,716.63
  6. Step 6: Final answer
    x = 30,101.42

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1.5x scale

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.