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Finding the Fourth Proportional to 73,170.95, 109,754.87 and 33,728.00

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Solution

The fourth proportional to 73,170.95, 109,754.87 and 33,728.00 is: 50,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,170.95 : 109,754.87 = 33,728.00 : x
  2. Step 2: Convert to fraction form
    73,170.95/109,754.87 = 33,728.00/x
  3. Step 3: Cross multiply
    73,170.95x = 109,754.87 × 33,728.00
  4. Step 4: Simplify right side
    73,170.95x = 3,701,811,537.95
  5. Step 5: Solve for x
    x = 3,701,811,537.95/73,170.95
  6. Step 6: Final answer
    x = 50,591.28

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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.