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Finding the Fourth Proportional to 45,540, 62,845.68 and 25,668

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Solution

The fourth proportional to 45,540, 62,845.68 and 25,668 is: 35,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540 : 62,845.68 = 25,668 : x
  2. Step 2: Convert to fraction form
    45,540/62,845.68 = 25,668/x
  3. Step 3: Cross multiply
    45,540x = 62,845.68 × 25,668
  4. Step 4: Simplify right side
    45,540x = 1,613,122,914.24
  5. Step 5: Solve for x
    x = 1,613,122,914.24/45,540
  6. Step 6: Final answer
    x = 35,422.11

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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.