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Finding the Fourth Proportional to 32,668.65, 45,096.53 and 22,072.64

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Solution

The fourth proportional to 32,668.65, 45,096.53 and 22,072.64 is: 30,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668.65 : 45,096.53 = 22,072.64 : x
  2. Step 2: Convert to fraction form
    32,668.65/45,096.53 = 22,072.64/x
  3. Step 3: Cross multiply
    32,668.65x = 45,096.53 × 22,072.64
  4. Step 4: Simplify right side
    32,668.65x = 995,399,136.09
  5. Step 5: Solve for x
    x = 995,399,136.09/32,668.65
  6. Step 6: Final answer
    x = 30,469.55

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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.