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Finding the Fourth Proportional to 31,151.56, 46,505.41 and 30,057.96

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Solution

The fourth proportional to 31,151.56, 46,505.41 and 30,057.96 is: 44,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,151.56 : 46,505.41 = 30,057.96 : x
  2. Step 2: Convert to fraction form
    31,151.56/46,505.41 = 30,057.96/x
  3. Step 3: Cross multiply
    31,151.56x = 46,505.41 × 30,057.96
  4. Step 4: Simplify right side
    31,151.56x = 1,397,857,753.56
  5. Step 5: Solve for x
    x = 1,397,857,753.56/31,151.56
  6. Step 6: Final answer
    x = 44,872.80

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.