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Finding the Fourth Proportional to 49,896.52, 74,858.82 and 21,819.04

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Solution

The fourth proportional to 49,896.52, 74,858.82 and 21,819.04 is: 32,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896.52 : 74,858.82 = 21,819.04 : x
  2. Step 2: Convert to fraction form
    49,896.52/74,858.82 = 21,819.04/x
  3. Step 3: Cross multiply
    49,896.52x = 74,858.82 × 21,819.04
  4. Step 4: Simplify right side
    49,896.52x = 1,633,347,587.93
  5. Step 5: Solve for x
    x = 1,633,347,587.93/49,896.52
  6. Step 6: Final answer
    x = 32,734.70

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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.