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Finding the Fourth Proportional to 54,751.77, 82,021.13 and 35,974.75

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Solution

The fourth proportional to 54,751.77, 82,021.13 and 35,974.75 is: 53,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.77 : 82,021.13 = 35,974.75 : x
  2. Step 2: Convert to fraction form
    54,751.77/82,021.13 = 35,974.75/x
  3. Step 3: Cross multiply
    54,751.77x = 82,021.13 × 35,974.75
  4. Step 4: Simplify right side
    54,751.77x = 2,950,689,646.47
  5. Step 5: Solve for x
    x = 2,950,689,646.47/54,751.77
  6. Step 6: Final answer
    x = 53,892.13

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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.