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Finding the Fourth Proportional to 66,086.37, 99,227.97 and 26,720.37

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Solution

The fourth proportional to 66,086.37, 99,227.97 and 26,720.37 is: 40,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,086.37 : 99,227.97 = 26,720.37 : x
  2. Step 2: Convert to fraction form
    66,086.37/99,227.97 = 26,720.37/x
  3. Step 3: Cross multiply
    66,086.37x = 99,227.97 × 26,720.37
  4. Step 4: Simplify right side
    66,086.37x = 2,651,408,072.75
  5. Step 5: Solve for x
    x = 2,651,408,072.75/66,086.37
  6. Step 6: Final answer
    x = 40,120.35

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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.