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Finding the Fourth Proportional to 61,927.86, 85,460.90 and 33,633.55

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Solution

The fourth proportional to 61,927.86, 85,460.90 and 33,633.55 is: 46,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,927.86 : 85,460.90 = 33,633.55 : x
  2. Step 2: Convert to fraction form
    61,927.86/85,460.90 = 33,633.55/x
  3. Step 3: Cross multiply
    61,927.86x = 85,460.90 × 33,633.55
  4. Step 4: Simplify right side
    61,927.86x = 2,874,353,391.85
  5. Step 5: Solve for x
    x = 2,874,353,391.85/61,927.86
  6. Step 6: Final answer
    x = 46,414.54

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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.