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Finding the Fourth Proportional to 50,648.22, 75,949.23 and 21,048.42

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Solution

The fourth proportional to 50,648.22, 75,949.23 and 21,048.42 is: 31,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,648.22 : 75,949.23 = 21,048.42 : x
  2. Step 2: Convert to fraction form
    50,648.22/75,949.23 = 21,048.42/x
  3. Step 3: Cross multiply
    50,648.22x = 75,949.23 × 21,048.42
  4. Step 4: Simplify right side
    50,648.22x = 1,598,611,291.72
  5. Step 5: Solve for x
    x = 1,598,611,291.72/50,648.22
  6. Step 6: Final answer
    x = 31,563.03

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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.