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Finding the Fourth Proportional to 48,668.96, 72,996.96 and 30,954.26

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Solution

The fourth proportional to 48,668.96, 72,996.96 and 30,954.26 is: 46,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,668.96 : 72,996.96 = 30,954.26 : x
  2. Step 2: Convert to fraction form
    48,668.96/72,996.96 = 30,954.26/x
  3. Step 3: Cross multiply
    48,668.96x = 72,996.96 × 30,954.26
  4. Step 4: Simplify right side
    48,668.96x = 2,259,566,879.05
  5. Step 5: Solve for x
    x = 2,259,566,879.05/48,668.96
  6. Step 6: Final answer
    x = 46,427.27

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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.