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Finding the Fourth Proportional to 27,565.31, 41,347.97 and 11,982.94

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Solution

The fourth proportional to 27,565.31, 41,347.97 and 11,982.94 is: 17,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.31 : 41,347.97 = 11,982.94 : x
  2. Step 2: Convert to fraction form
    27,565.31/41,347.97 = 11,982.94/x
  3. Step 3: Cross multiply
    27,565.31x = 41,347.97 × 11,982.94
  4. Step 4: Simplify right side
    27,565.31x = 495,470,125.28
  5. Step 5: Solve for x
    x = 495,470,125.28/27,565.31
  6. Step 6: Final answer
    x = 17,974.41

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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.