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Finding the Fourth Proportional to 61,929.75, 85,460.76 and 33,634.83

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Solution

The fourth proportional to 61,929.75, 85,460.76 and 33,634.83 is: 46,414.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,929.75 : 85,460.76 = 33,634.83 : x
  2. Step 2: Convert to fraction form
    61,929.75/85,460.76 = 33,634.83/x
  3. Step 3: Cross multiply
    61,929.75x = 85,460.76 × 33,634.83
  4. Step 4: Simplify right side
    61,929.75x = 2,874,458,134.27
  5. Step 5: Solve for x
    x = 2,874,458,134.27/61,929.75
  6. Step 6: Final answer
    x = 46,414.82

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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.