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Finding the Fourth Proportional to 27,304.56, 40,940.04 and 12,518.02

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Solution

The fourth proportional to 27,304.56, 40,940.04 and 12,518.02 is: 18,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,304.56 : 40,940.04 = 12,518.02 : x
  2. Step 2: Convert to fraction form
    27,304.56/40,940.04 = 12,518.02/x
  3. Step 3: Cross multiply
    27,304.56x = 40,940.04 × 12,518.02
  4. Step 4: Simplify right side
    27,304.56x = 512,488,239.52
  5. Step 5: Solve for x
    x = 512,488,239.52/27,304.56
  6. Step 6: Final answer
    x = 18,769.33

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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.