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Finding the Fourth Proportional to 8,600.96, 12,899.82 and 3,335.96

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Solution

The fourth proportional to 8,600.96, 12,899.82 and 3,335.96 is: 5,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.96 : 12,899.82 = 3,335.96 : x
  2. Step 2: Convert to fraction form
    8,600.96/12,899.82 = 3,335.96/x
  3. Step 3: Cross multiply
    8,600.96x = 12,899.82 × 3,335.96
  4. Step 4: Simplify right side
    8,600.96x = 43,033,283.53
  5. Step 5: Solve for x
    x = 43,033,283.53/8,600.96
  6. Step 6: Final answer
    x = 5,003.31

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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.