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Finding the Fourth Proportional to 62,187.75, 85,819.10 and 33,893.64

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Solution

The fourth proportional to 62,187.75, 85,819.10 and 33,893.64 is: 46,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,187.75 : 85,819.10 = 33,893.64 : x
  2. Step 2: Convert to fraction form
    62,187.75/85,819.10 = 33,893.64/x
  3. Step 3: Cross multiply
    62,187.75x = 85,819.10 × 33,893.64
  4. Step 4: Simplify right side
    62,187.75x = 2,908,721,511.06
  5. Step 5: Solve for x
    x = 2,908,721,511.06/62,187.75
  6. Step 6: Final answer
    x = 46,773.22

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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.