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Finding the Fourth Proportional to 18,498.54, 27,736.62 and 7,095.36

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Solution

The fourth proportional to 18,498.54, 27,736.62 and 7,095.36 is: 10,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.54 : 27,736.62 = 7,095.36 : x
  2. Step 2: Convert to fraction form
    18,498.54/27,736.62 = 7,095.36/x
  3. Step 3: Cross multiply
    18,498.54x = 27,736.62 × 7,095.36
  4. Step 4: Simplify right side
    18,498.54x = 196,801,304.08
  5. Step 5: Solve for x
    x = 196,801,304.08/18,498.54
  6. Step 6: Final answer
    x = 10,638.75

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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.