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Finding the Fourth Proportional to 29,294.44, 43,949.15 and 8,517.94

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Solution

The fourth proportional to 29,294.44, 43,949.15 and 8,517.94 is: 12,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,294.44 : 43,949.15 = 8,517.94 : x
  2. Step 2: Convert to fraction form
    29,294.44/43,949.15 = 8,517.94/x
  3. Step 3: Cross multiply
    29,294.44x = 43,949.15 × 8,517.94
  4. Step 4: Simplify right side
    29,294.44x = 374,356,102.23
  5. Step 5: Solve for x
    x = 374,356,102.23/29,294.44
  6. Step 6: Final answer
    x = 12,779.08

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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.