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Finding the Fourth Proportional to 73,789.68, 110,618.78 and 27,031.62

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Solution

The fourth proportional to 73,789.68, 110,618.78 and 27,031.62 is: 40,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,789.68 : 110,618.78 = 27,031.62 : x
  2. Step 2: Convert to fraction form
    73,789.68/110,618.78 = 27,031.62/x
  3. Step 3: Cross multiply
    73,789.68x = 110,618.78 × 27,031.62
  4. Step 4: Simplify right side
    73,789.68x = 2,990,204,690.67
  5. Step 5: Solve for x
    x = 2,990,204,690.67/73,789.68
  6. Step 6: Final answer
    x = 40,523.35

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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.