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Finding the Fourth Proportional to 8,771.61, 12,104.67 and 4,792.62

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Solution

The fourth proportional to 8,771.61, 12,104.67 and 4,792.62 is: 6,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.61 : 12,104.67 = 4,792.62 : x
  2. Step 2: Convert to fraction form
    8,771.61/12,104.67 = 4,792.62/x
  3. Step 3: Cross multiply
    8,771.61x = 12,104.67 × 4,792.62
  4. Step 4: Simplify right side
    8,771.61x = 58,013,083.54
  5. Step 5: Solve for x
    x = 58,013,083.54/8,771.61
  6. Step 6: Final answer
    x = 6,613.73

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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.