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Finding the Fourth Proportional to 44,529.60, 66,789.60 and 18,237.12

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Solution

The fourth proportional to 44,529.60, 66,789.60 and 18,237.12 is: 27,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,529.60 : 66,789.60 = 18,237.12 : x
  2. Step 2: Convert to fraction form
    44,529.60/66,789.60 = 18,237.12/x
  3. Step 3: Cross multiply
    44,529.60x = 66,789.60 × 18,237.12
  4. Step 4: Simplify right side
    44,529.60x = 1,218,049,949.95
  5. Step 5: Solve for x
    x = 1,218,049,949.95/44,529.60
  6. Step 6: Final answer
    x = 27,353.71

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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.