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Finding the Fourth Proportional to 8,664.35, 13,002.08 and 8,593.88

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Solution

The fourth proportional to 8,664.35, 13,002.08 and 8,593.88 is: 12,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.35 : 13,002.08 = 8,593.88 : x
  2. Step 2: Convert to fraction form
    8,664.35/13,002.08 = 8,593.88/x
  3. Step 3: Cross multiply
    8,664.35x = 13,002.08 × 8,593.88
  4. Step 4: Simplify right side
    8,664.35x = 111,738,207.29
  5. Step 5: Solve for x
    x = 111,738,207.29/8,664.35
  6. Step 6: Final answer
    x = 12,896.32

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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.