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Finding the Fourth Proportional to 8,675.10, 11,968.73 and 5,648.85

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Solution

The fourth proportional to 8,675.10, 11,968.73 and 5,648.85 is: 7,793.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.10 : 11,968.73 = 5,648.85 : x
  2. Step 2: Convert to fraction form
    8,675.10/11,968.73 = 5,648.85/x
  3. Step 3: Cross multiply
    8,675.10x = 11,968.73 × 5,648.85
  4. Step 4: Simplify right side
    8,675.10x = 67,609,532.22
  5. Step 5: Solve for x
    x = 67,609,532.22/8,675.10
  6. Step 6: Final answer
    x = 7,793.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.