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Finding the Fourth Proportional to 8,606.49, 12,910.91 and 2,683.79

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Solution

The fourth proportional to 8,606.49, 12,910.91 and 2,683.79 is: 4,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.49 : 12,910.91 = 2,683.79 : x
  2. Step 2: Convert to fraction form
    8,606.49/12,910.91 = 2,683.79/x
  3. Step 3: Cross multiply
    8,606.49x = 12,910.91 × 2,683.79
  4. Step 4: Simplify right side
    8,606.49x = 34,650,171.15
  5. Step 5: Solve for x
    x = 34,650,171.15/8,606.49
  6. Step 6: Final answer
    x = 4,026.05

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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.