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Finding the Fourth Proportional to 66,697.94, 100,047.06 and 27,255.05

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Solution

The fourth proportional to 66,697.94, 100,047.06 and 27,255.05 is: 40,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,697.94 : 100,047.06 = 27,255.05 : x
  2. Step 2: Convert to fraction form
    66,697.94/100,047.06 = 27,255.05/x
  3. Step 3: Cross multiply
    66,697.94x = 100,047.06 × 27,255.05
  4. Step 4: Simplify right side
    66,697.94x = 2,726,787,122.42
  5. Step 5: Solve for x
    x = 2,726,787,122.42/66,697.94
  6. Step 6: Final answer
    x = 40,882.63

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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.