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Finding the Fourth Proportional to 29,876.77, 44,815.17 and 12,327.31

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Solution

The fourth proportional to 29,876.77, 44,815.17 and 12,327.31 is: 18,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,876.77 : 44,815.17 = 12,327.31 : x
  2. Step 2: Convert to fraction form
    29,876.77/44,815.17 = 12,327.31/x
  3. Step 3: Cross multiply
    29,876.77x = 44,815.17 × 12,327.31
  4. Step 4: Simplify right side
    29,876.77x = 552,450,493.29
  5. Step 5: Solve for x
    x = 552,450,493.29/29,876.77
  6. Step 6: Final answer
    x = 18,490.97

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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.