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Finding the Fourth Proportional to 27,893.91, 41,838.75 and 9,174.57

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Solution

The fourth proportional to 27,893.91, 41,838.75 and 9,174.57 is: 13,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,893.91 : 41,838.75 = 9,174.57 : x
  2. Step 2: Convert to fraction form
    27,893.91/41,838.75 = 9,174.57/x
  3. Step 3: Cross multiply
    27,893.91x = 41,838.75 × 9,174.57
  4. Step 4: Simplify right side
    27,893.91x = 383,852,540.59
  5. Step 5: Solve for x
    x = 383,852,540.59/27,893.91
  6. Step 6: Final answer
    x = 13,761.16

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1.5x scale

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.