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Finding the Fourth Proportional to 54,563.67, 81,845.15 and 14,037.12

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Solution

The fourth proportional to 54,563.67, 81,845.15 and 14,037.12 is: 21,055.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,563.67 : 81,845.15 = 14,037.12 : x
  2. Step 2: Convert to fraction form
    54,563.67/81,845.15 = 14,037.12/x
  3. Step 3: Cross multiply
    54,563.67x = 81,845.15 × 14,037.12
  4. Step 4: Simplify right side
    54,563.67x = 1,148,870,121.78
  5. Step 5: Solve for x
    x = 1,148,870,121.78/54,563.67
  6. Step 6: Final answer
    x = 21,055.59

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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.