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Finding the Fourth Proportional to 8,600.97, 12,913.31 and 4,443.84

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Solution

The fourth proportional to 8,600.97, 12,913.31 and 4,443.84 is: 6,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.97 : 12,913.31 = 4,443.84 : x
  2. Step 2: Convert to fraction form
    8,600.97/12,913.31 = 4,443.84/x
  3. Step 3: Cross multiply
    8,600.97x = 12,913.31 × 4,443.84
  4. Step 4: Simplify right side
    8,600.97x = 57,384,661.29
  5. Step 5: Solve for x
    x = 57,384,661.29/8,600.97
  6. Step 6: Final answer
    x = 6,671.88

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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.