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Finding the Fourth Proportional to 27,094.20, 40,641.30 and 20,182.20

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Solution

The fourth proportional to 27,094.20, 40,641.30 and 20,182.20 is: 30,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,094.20 : 40,641.30 = 20,182.20 : x
  2. Step 2: Convert to fraction form
    27,094.20/40,641.30 = 20,182.20/x
  3. Step 3: Cross multiply
    27,094.20x = 40,641.30 × 20,182.20
  4. Step 4: Simplify right side
    27,094.20x = 820,230,844.86
  5. Step 5: Solve for x
    x = 820,230,844.86/27,094.20
  6. Step 6: Final answer
    x = 30,273.30

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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.