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Finding the Fourth Proportional to 8,636.49, 12,954.74 and 2,396.51

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Solution

The fourth proportional to 8,636.49, 12,954.74 and 2,396.51 is: 3,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.49 : 12,954.74 = 2,396.51 : x
  2. Step 2: Convert to fraction form
    8,636.49/12,954.74 = 2,396.51/x
  3. Step 3: Cross multiply
    8,636.49x = 12,954.74 × 2,396.51
  4. Step 4: Simplify right side
    8,636.49x = 31,046,150.38
  5. Step 5: Solve for x
    x = 31,046,150.38/8,636.49
  6. Step 6: Final answer
    x = 3,594.76

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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.