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Finding the Fourth Proportional to 29,305.50, 43,965.54 and 8,529

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Solution

The fourth proportional to 29,305.50, 43,965.54 and 8,529 is: 12,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.50 : 43,965.54 = 8,529 : x
  2. Step 2: Convert to fraction form
    29,305.50/43,965.54 = 8,529/x
  3. Step 3: Cross multiply
    29,305.50x = 43,965.54 × 8,529
  4. Step 4: Simplify right side
    29,305.50x = 374,982,090.66
  5. Step 5: Solve for x
    x = 374,982,090.66/29,305.50
  6. Step 6: Final answer
    x = 12,795.62

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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.