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Finding the Fourth Proportional to 8,396.56, 12,570.53 and 6,325.29

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Solution

The fourth proportional to 8,396.56, 12,570.53 and 6,325.29 is: 9,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.56 : 12,570.53 = 6,325.29 : x
  2. Step 2: Convert to fraction form
    8,396.56/12,570.53 = 6,325.29/x
  3. Step 3: Cross multiply
    8,396.56x = 12,570.53 × 6,325.29
  4. Step 4: Simplify right side
    8,396.56x = 79,512,216.08
  5. Step 5: Solve for x
    x = 79,512,216.08/8,396.56
  6. Step 6: Final answer
    x = 9,469.62

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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.