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Finding the Fourth Proportional to 73,961.70, 110,942.55 and 27,232.80

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Solution

The fourth proportional to 73,961.70, 110,942.55 and 27,232.80 is: 40,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,961.70 : 110,942.55 = 27,232.80 : x
  2. Step 2: Convert to fraction form
    73,961.70/110,942.55 = 27,232.80/x
  3. Step 3: Cross multiply
    73,961.70x = 110,942.55 × 27,232.80
  4. Step 4: Simplify right side
    73,961.70x = 3,021,276,275.64
  5. Step 5: Solve for x
    x = 3,021,276,275.64/73,961.70
  6. Step 6: Final answer
    x = 40,849.20

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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.