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Finding the Fourth Proportional to 48,296, 72,450.48 and 20,600.48

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Solution

The fourth proportional to 48,296, 72,450.48 and 20,600.48 is: 30,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,296 : 72,450.48 = 20,600.48 : x
  2. Step 2: Convert to fraction form
    48,296/72,450.48 = 20,600.48/x
  3. Step 3: Cross multiply
    48,296x = 72,450.48 × 20,600.48
  4. Step 4: Simplify right side
    48,296x = 1,492,514,664.23
  5. Step 5: Solve for x
    x = 1,492,514,664.23/48,296
  6. Step 6: Final answer
    x = 30,903.48

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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.