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Finding the Fourth Proportional to 49,471.80, 74,214.90 and 16,183.80

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Solution

The fourth proportional to 49,471.80, 74,214.90 and 16,183.80 is: 24,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,471.80 : 74,214.90 = 16,183.80 : x
  2. Step 2: Convert to fraction form
    49,471.80/74,214.90 = 16,183.80/x
  3. Step 3: Cross multiply
    49,471.80x = 74,214.90 × 16,183.80
  4. Step 4: Simplify right side
    49,471.80x = 1,201,079,098.62
  5. Step 5: Solve for x
    x = 1,201,079,098.62/49,471.80
  6. Step 6: Final answer
    x = 24,278.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.