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Finding the Fourth Proportional to 29,371.48, 44,112.80 and 18,355.48

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Solution

The fourth proportional to 29,371.48, 44,112.80 and 18,355.48 is: 27,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371.48 : 44,112.80 = 18,355.48 : x
  2. Step 2: Convert to fraction form
    29,371.48/44,112.80 = 18,355.48/x
  3. Step 3: Cross multiply
    29,371.48x = 44,112.80 × 18,355.48
  4. Step 4: Simplify right side
    29,371.48x = 809,711,553.75
  5. Step 5: Solve for x
    x = 809,711,553.75/29,371.48
  6. Step 6: Final answer
    x = 27,567.95

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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.