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Finding the Fourth Proportional to 54,992.88, 75,890.38 and 29,842.38

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Solution

The fourth proportional to 54,992.88, 75,890.38 and 29,842.38 is: 41,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,992.88 : 75,890.38 = 29,842.38 : x
  2. Step 2: Convert to fraction form
    54,992.88/75,890.38 = 29,842.38/x
  3. Step 3: Cross multiply
    54,992.88x = 75,890.38 × 29,842.38
  4. Step 4: Simplify right side
    54,992.88x = 2,264,749,558.30
  5. Step 5: Solve for x
    x = 2,264,749,558.30/54,992.88
  6. Step 6: Final answer
    x = 41,182.60

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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.