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Finding the Fourth Proportional to 36,458.76, 50,313.08 and 19,691.76

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Solution

The fourth proportional to 36,458.76, 50,313.08 and 19,691.76 is: 27,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,458.76 : 50,313.08 = 19,691.76 : x
  2. Step 2: Convert to fraction form
    36,458.76/50,313.08 = 19,691.76/x
  3. Step 3: Cross multiply
    36,458.76x = 50,313.08 × 19,691.76
  4. Step 4: Simplify right side
    36,458.76x = 990,753,096.22
  5. Step 5: Solve for x
    x = 990,753,096.22/36,458.76
  6. Step 6: Final answer
    x = 27,174.62

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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.