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Finding the Fourth Proportional to 6,556.08, 9,814.56 and 3,951.12

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Solution

The fourth proportional to 6,556.08, 9,814.56 and 3,951.12 is: 5,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556.08 : 9,814.56 = 3,951.12 : x
  2. Step 2: Convert to fraction form
    6,556.08/9,814.56 = 3,951.12/x
  3. Step 3: Cross multiply
    6,556.08x = 9,814.56 × 3,951.12
  4. Step 4: Simplify right side
    6,556.08x = 38,778,504.31
  5. Step 5: Solve for x
    x = 38,778,504.31/6,556.08
  6. Step 6: Final answer
    x = 5,914.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.