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Finding the Fourth Proportional to 8,517.72, 12,773.07 and 3,254.67

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Solution

The fourth proportional to 8,517.72, 12,773.07 and 3,254.67 is: 4,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.72 : 12,773.07 = 3,254.67 : x
  2. Step 2: Convert to fraction form
    8,517.72/12,773.07 = 3,254.67/x
  3. Step 3: Cross multiply
    8,517.72x = 12,773.07 × 3,254.67
  4. Step 4: Simplify right side
    8,517.72x = 41,572,127.74
  5. Step 5: Solve for x
    x = 41,572,127.74/8,517.72
  6. Step 6: Final answer
    x = 4,880.66

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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.