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Finding the Fourth Proportional to 54,887.31, 75,745.31 and 29,736.81

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Solution

The fourth proportional to 54,887.31, 75,745.31 and 29,736.81 is: 41,037.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,887.31 : 75,745.31 = 29,736.81 : x
  2. Step 2: Convert to fraction form
    54,887.31/75,745.31 = 29,736.81/x
  3. Step 3: Cross multiply
    54,887.31x = 75,745.31 × 29,736.81
  4. Step 4: Simplify right side
    54,887.31x = 2,252,423,743.18
  5. Step 5: Solve for x
    x = 2,252,423,743.18/54,887.31
  6. Step 6: Final answer
    x = 41,037.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.