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Finding the Fourth Proportional to 7,902.73, 11,855.80 and 4,204.42

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Solution

The fourth proportional to 7,902.73, 11,855.80 and 4,204.42 is: 6,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.73 : 11,855.80 = 4,204.42 : x
  2. Step 2: Convert to fraction form
    7,902.73/11,855.80 = 4,204.42/x
  3. Step 3: Cross multiply
    7,902.73x = 11,855.80 × 4,204.42
  4. Step 4: Simplify right side
    7,902.73x = 49,846,762.64
  5. Step 5: Solve for x
    x = 49,846,762.64/7,902.73
  6. Step 6: Final answer
    x = 6,307.54

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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.