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Finding the Fourth Proportional to 60,507.36, 90,729.84 and 27,198.96

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Solution

The fourth proportional to 60,507.36, 90,729.84 and 27,198.96 is: 40,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,507.36 : 90,729.84 = 27,198.96 : x
  2. Step 2: Convert to fraction form
    60,507.36/90,729.84 = 27,198.96/x
  3. Step 3: Cross multiply
    60,507.36x = 90,729.84 × 27,198.96
  4. Step 4: Simplify right side
    60,507.36x = 2,467,757,288.97
  5. Step 5: Solve for x
    x = 2,467,757,288.97/60,507.36
  6. Step 6: Final answer
    x = 40,784.42

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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.