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Finding the Fourth Proportional to 61,850.52, 85,352.54 and 34,992.54

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Solution

The fourth proportional to 61,850.52, 85,352.54 and 34,992.54 is: 48,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,850.52 : 85,352.54 = 34,992.54 : x
  2. Step 2: Convert to fraction form
    61,850.52/85,352.54 = 34,992.54/x
  3. Step 3: Cross multiply
    61,850.52x = 85,352.54 × 34,992.54
  4. Step 4: Simplify right side
    61,850.52x = 2,986,701,995.09
  5. Step 5: Solve for x
    x = 2,986,701,995.09/61,850.52
  6. Step 6: Final answer
    x = 48,289.04

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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.