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Finding the Fourth Proportional to 17,634.52, 26,451.88 and 7,109.38

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Solution

The fourth proportional to 17,634.52, 26,451.88 and 7,109.38 is: 10,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,634.52 : 26,451.88 = 7,109.38 : x
  2. Step 2: Convert to fraction form
    17,634.52/26,451.88 = 7,109.38/x
  3. Step 3: Cross multiply
    17,634.52x = 26,451.88 × 7,109.38
  4. Step 4: Simplify right side
    17,634.52x = 188,056,466.63
  5. Step 5: Solve for x
    x = 188,056,466.63/17,634.52
  6. Step 6: Final answer
    x = 10,664.11

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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.