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Finding the Fourth Proportional to 6,620.63, 9,927.50 and 2,236.50

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Solution

The fourth proportional to 6,620.63, 9,927.50 and 2,236.50 is: 3,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.63 : 9,927.50 = 2,236.50 : x
  2. Step 2: Convert to fraction form
    6,620.63/9,927.50 = 2,236.50/x
  3. Step 3: Cross multiply
    6,620.63x = 9,927.50 × 2,236.50
  4. Step 4: Simplify right side
    6,620.63x = 22,202,842.57
  5. Step 5: Solve for x
    x = 22,202,842.57/6,620.63
  6. Step 6: Final answer
    x = 3,353.59

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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.