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Finding the Fourth Proportional to 27,853.50, 41,786.73 and 9,385.50

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Solution

The fourth proportional to 27,853.50, 41,786.73 and 9,385.50 is: 14,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853.50 : 41,786.73 = 9,385.50 : x
  2. Step 2: Convert to fraction form
    27,853.50/41,786.73 = 9,385.50/x
  3. Step 3: Cross multiply
    27,853.50x = 41,786.73 × 9,385.50
  4. Step 4: Simplify right side
    27,853.50x = 392,189,354.42
  5. Step 5: Solve for x
    x = 392,189,354.42/27,853.50
  6. Step 6: Final answer
    x = 14,080.43

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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.