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Finding the Fourth Proportional to 8,664.52, 12,995.97 and 2,425.09

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Solution

The fourth proportional to 8,664.52, 12,995.97 and 2,425.09 is: 3,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.52 : 12,995.97 = 2,425.09 : x
  2. Step 2: Convert to fraction form
    8,664.52/12,995.97 = 2,425.09/x
  3. Step 3: Cross multiply
    8,664.52x = 12,995.97 × 2,425.09
  4. Step 4: Simplify right side
    8,664.52x = 31,516,396.89
  5. Step 5: Solve for x
    x = 31,516,396.89/8,664.52
  6. Step 6: Final answer
    x = 3,637.41

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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.