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Finding the Fourth Proportional to 27,951.70, 41,818.20 and 18,110.20

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Solution

The fourth proportional to 27,951.70, 41,818.20 and 18,110.20 is: 27,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.70 : 41,818.20 = 18,110.20 : x
  2. Step 2: Convert to fraction form
    27,951.70/41,818.20 = 18,110.20/x
  3. Step 3: Cross multiply
    27,951.70x = 41,818.20 × 18,110.20
  4. Step 4: Simplify right side
    27,951.70x = 757,335,965.64
  5. Step 5: Solve for x
    x = 757,335,965.64/27,951.70
  6. Step 6: Final answer
    x = 27,094.45

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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.