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Finding the Fourth Proportional to 66,809.88, 100,214.82 and 27,359.82

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Solution

The fourth proportional to 66,809.88, 100,214.82 and 27,359.82 is: 41,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,809.88 : 100,214.82 = 27,359.82 : x
  2. Step 2: Convert to fraction form
    66,809.88/100,214.82 = 27,359.82/x
  3. Step 3: Cross multiply
    66,809.88x = 100,214.82 × 27,359.82
  4. Step 4: Simplify right side
    66,809.88x = 2,741,859,436.53
  5. Step 5: Solve for x
    x = 2,741,859,436.53/66,809.88
  6. Step 6: Final answer
    x = 41,039.73

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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.