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Finding the Fourth Proportional to 36,471.18, 50,330.22 and 19,704.18

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Solution

The fourth proportional to 36,471.18, 50,330.22 and 19,704.18 is: 27,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,471.18 : 50,330.22 = 19,704.18 : x
  2. Step 2: Convert to fraction form
    36,471.18/50,330.22 = 19,704.18/x
  3. Step 3: Cross multiply
    36,471.18x = 50,330.22 × 19,704.18
  4. Step 4: Simplify right side
    36,471.18x = 991,715,714.32
  5. Step 5: Solve for x
    x = 991,715,714.32/36,471.18
  6. Step 6: Final answer
    x = 27,191.76

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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.