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Finding the Fourth Proportional to 8,644.27, 12,968.45 and 3,713.95

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Solution

The fourth proportional to 8,644.27, 12,968.45 and 3,713.95 is: 5,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.27 : 12,968.45 = 3,713.95 : x
  2. Step 2: Convert to fraction form
    8,644.27/12,968.45 = 3,713.95/x
  3. Step 3: Cross multiply
    8,644.27x = 12,968.45 × 3,713.95
  4. Step 4: Simplify right side
    8,644.27x = 48,164,207.34
  5. Step 5: Solve for x
    x = 48,164,207.34/8,644.27
  6. Step 6: Final answer
    x = 5,571.81

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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.