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Finding the Fourth Proportional to 50,672.08, 76,008.30 and 29,881

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Solution

The fourth proportional to 50,672.08, 76,008.30 and 29,881 is: 44,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.08 : 76,008.30 = 29,881 : x
  2. Step 2: Convert to fraction form
    50,672.08/76,008.30 = 29,881/x
  3. Step 3: Cross multiply
    50,672.08x = 76,008.30 × 29,881
  4. Step 4: Simplify right side
    50,672.08x = 2,271,204,012.30
  5. Step 5: Solve for x
    x = 2,271,204,012.30/50,672.08
  6. Step 6: Final answer
    x = 44,821.61

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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.