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Finding the Fourth Proportional to 46,620.62, 69,930.42 and 27,905.88

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Solution

The fourth proportional to 46,620.62, 69,930.42 and 27,905.88 is: 41,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,620.62 : 69,930.42 = 27,905.88 : x
  2. Step 2: Convert to fraction form
    46,620.62/69,930.42 = 27,905.88/x
  3. Step 3: Cross multiply
    46,620.62x = 69,930.42 × 27,905.88
  4. Step 4: Simplify right side
    46,620.62x = 1,951,470,066.46
  5. Step 5: Solve for x
    x = 1,951,470,066.46/46,620.62
  6. Step 6: Final answer
    x = 41,858.52

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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.