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Finding the Fourth Proportional to 8,465.77, 12,693.39 and 3,270.43

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Solution

The fourth proportional to 8,465.77, 12,693.39 and 3,270.43 is: 4,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.77 : 12,693.39 = 3,270.43 : x
  2. Step 2: Convert to fraction form
    8,465.77/12,693.39 = 3,270.43/x
  3. Step 3: Cross multiply
    8,465.77x = 12,693.39 × 3,270.43
  4. Step 4: Simplify right side
    8,465.77x = 41,512,843.46
  5. Step 5: Solve for x
    x = 41,512,843.46/8,465.77
  6. Step 6: Final answer
    x = 4,903.61

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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.