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Finding the Fourth Proportional to 36,309.70, 50,729.90 and 36,309.70

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Solution

The fourth proportional to 36,309.70, 50,729.90 and 36,309.70 is: 50,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.70 : 50,729.90 = 36,309.70 : x
  2. Step 2: Convert to fraction form
    36,309.70/50,729.90 = 36,309.70/x
  3. Step 3: Cross multiply
    36,309.70x = 50,729.90 × 36,309.70
  4. Step 4: Simplify right side
    36,309.70x = 1,841,987,450.03
  5. Step 5: Solve for x
    x = 1,841,987,450.03/36,309.70
  6. Step 6: Final answer
    x = 50,729.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.