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Finding the Fourth Proportional to 29,299.92, 43,945.10 and 8,241.40

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Solution

The fourth proportional to 29,299.92, 43,945.10 and 8,241.40 is: 12,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,299.92 : 43,945.10 = 8,241.40 : x
  2. Step 2: Convert to fraction form
    29,299.92/43,945.10 = 8,241.40/x
  3. Step 3: Cross multiply
    29,299.92x = 43,945.10 × 8,241.40
  4. Step 4: Simplify right side
    29,299.92x = 362,169,147.14
  5. Step 5: Solve for x
    x = 362,169,147.14/29,299.92
  6. Step 6: Final answer
    x = 12,360.76

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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.