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Finding the Fourth Proportional to 36,668.96, 50,608.08 and 21,765.92

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Solution

The fourth proportional to 36,668.96, 50,608.08 and 21,765.92 is: 30,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,668.96 : 50,608.08 = 21,765.92 : x
  2. Step 2: Convert to fraction form
    36,668.96/50,608.08 = 21,765.92/x
  3. Step 3: Cross multiply
    36,668.96x = 50,608.08 × 21,765.92
  4. Step 4: Simplify right side
    36,668.96x = 1,101,531,420.63
  5. Step 5: Solve for x
    x = 1,101,531,420.63/36,668.96
  6. Step 6: Final answer
    x = 30,039.89

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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.