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Finding the Fourth Proportional to 27,680.33, 41,505.01 and 8,955.97

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Solution

The fourth proportional to 27,680.33, 41,505.01 and 8,955.97 is: 13,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.33 : 41,505.01 = 8,955.97 : x
  2. Step 2: Convert to fraction form
    27,680.33/41,505.01 = 8,955.97/x
  3. Step 3: Cross multiply
    27,680.33x = 41,505.01 × 8,955.97
  4. Step 4: Simplify right side
    27,680.33x = 371,717,498.26
  5. Step 5: Solve for x
    x = 371,717,498.26/27,680.33
  6. Step 6: Final answer
    x = 13,428.94

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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.