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Finding the Fourth Proportional to 27,044.44, 40,561.98 and 7,318.39

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Solution

The fourth proportional to 27,044.44, 40,561.98 and 7,318.39 is: 10,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,044.44 : 40,561.98 = 7,318.39 : x
  2. Step 2: Convert to fraction form
    27,044.44/40,561.98 = 7,318.39/x
  3. Step 3: Cross multiply
    27,044.44x = 40,561.98 × 7,318.39
  4. Step 4: Simplify right side
    27,044.44x = 296,848,388.81
  5. Step 5: Solve for x
    x = 296,848,388.81/27,044.44
  6. Step 6: Final answer
    x = 10,976.32

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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.