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Finding the Fourth Proportional to 6,616.44, 9,922.50 and 2,918.52

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Solution

The fourth proportional to 6,616.44, 9,922.50 and 2,918.52 is: 4,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.44 : 9,922.50 = 2,918.52 : x
  2. Step 2: Convert to fraction form
    6,616.44/9,922.50 = 2,918.52/x
  3. Step 3: Cross multiply
    6,616.44x = 9,922.50 × 2,918.52
  4. Step 4: Simplify right side
    6,616.44x = 28,959,014.70
  5. Step 5: Solve for x
    x = 28,959,014.70/6,616.44
  6. Step 6: Final answer
    x = 4,376.83

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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.