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Finding the Fourth Proportional to 66,872.48, 92,283.44 and 36,659.48

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Solution

The fourth proportional to 66,872.48, 92,283.44 and 36,659.48 is: 50,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,872.48 : 92,283.44 = 36,659.48 : x
  2. Step 2: Convert to fraction form
    66,872.48/92,283.44 = 36,659.48/x
  3. Step 3: Cross multiply
    66,872.48x = 92,283.44 × 36,659.48
  4. Step 4: Simplify right side
    66,872.48x = 3,383,062,923.01
  5. Step 5: Solve for x
    x = 3,383,062,923.01/66,872.48
  6. Step 6: Final answer
    x = 50,589.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.