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Finding the Fourth Proportional to 8,401.52, 12,597.96 and 3,782

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Solution

The fourth proportional to 8,401.52, 12,597.96 and 3,782 is: 5,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.52 : 12,597.96 = 3,782 : x
  2. Step 2: Convert to fraction form
    8,401.52/12,597.96 = 3,782/x
  3. Step 3: Cross multiply
    8,401.52x = 12,597.96 × 3,782
  4. Step 4: Simplify right side
    8,401.52x = 47,645,484.72
  5. Step 5: Solve for x
    x = 47,645,484.72/8,401.52
  6. Step 6: Final answer
    x = 5,671.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.