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Finding the Fourth Proportional to 27,772.71, 41,668.78 and 8,052.45

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Solution

The fourth proportional to 27,772.71, 41,668.78 and 8,052.45 is: 12,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772.71 : 41,668.78 = 8,052.45 : x
  2. Step 2: Convert to fraction form
    27,772.71/41,668.78 = 8,052.45/x
  3. Step 3: Cross multiply
    27,772.71x = 41,668.78 × 8,052.45
  4. Step 4: Simplify right side
    27,772.71x = 335,535,606.22
  5. Step 5: Solve for x
    x = 335,535,606.22/27,772.71
  6. Step 6: Final answer
    x = 12,081.49

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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.