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Finding the Fourth Proportional to 8,349.87, 12,526.17 and 3,965.84

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Solution

The fourth proportional to 8,349.87, 12,526.17 and 3,965.84 is: 5,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.87 : 12,526.17 = 3,965.84 : x
  2. Step 2: Convert to fraction form
    8,349.87/12,526.17 = 3,965.84/x
  3. Step 3: Cross multiply
    8,349.87x = 12,526.17 × 3,965.84
  4. Step 4: Simplify right side
    8,349.87x = 49,676,825.96
  5. Step 5: Solve for x
    x = 49,676,825.96/8,349.87
  6. Step 6: Final answer
    x = 5,949.41

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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.