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Finding the Fourth Proportional to 29,940.44, 44,911.08 and 14,354.42

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Solution

The fourth proportional to 29,940.44, 44,911.08 and 14,354.42 is: 21,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,940.44 : 44,911.08 = 14,354.42 : x
  2. Step 2: Convert to fraction form
    29,940.44/44,911.08 = 14,354.42/x
  3. Step 3: Cross multiply
    29,940.44x = 44,911.08 × 14,354.42
  4. Step 4: Simplify right side
    29,940.44x = 644,672,280.42
  5. Step 5: Solve for x
    x = 644,672,280.42/29,940.44
  6. Step 6: Final answer
    x = 21,531.83

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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.