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Finding the Fourth Proportional to 5,792.92, 8,682.32 and 2,668.55

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Solution

The fourth proportional to 5,792.92, 8,682.32 and 2,668.55 is: 3,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.92 : 8,682.32 = 2,668.55 : x
  2. Step 2: Convert to fraction form
    5,792.92/8,682.32 = 2,668.55/x
  3. Step 3: Cross multiply
    5,792.92x = 8,682.32 × 2,668.55
  4. Step 4: Simplify right side
    5,792.92x = 23,169,168.30
  5. Step 5: Solve for x
    x = 23,169,168.30/5,792.92
  6. Step 6: Final answer
    x = 3,999.57

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1.5x scale

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.