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Finding the Fourth Proportional to 36,330, 50,139.72 and 23,782.56

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Solution

The fourth proportional to 36,330, 50,139.72 and 23,782.56 is: 32,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,330 : 50,139.72 = 23,782.56 : x
  2. Step 2: Convert to fraction form
    36,330/50,139.72 = 23,782.56/x
  3. Step 3: Cross multiply
    36,330x = 50,139.72 × 23,782.56
  4. Step 4: Simplify right side
    36,330x = 1,192,450,899.28
  5. Step 5: Solve for x
    x = 1,192,450,899.28/36,330
  6. Step 6: Final answer
    x = 32,822.76

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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.