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Finding the Fourth Proportional to 48,662.76, 72,974.85 and 16,633.86

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Solution

The fourth proportional to 48,662.76, 72,974.85 and 16,633.86 is: 24,944.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,662.76 : 72,974.85 = 16,633.86 : x
  2. Step 2: Convert to fraction form
    48,662.76/72,974.85 = 16,633.86/x
  3. Step 3: Cross multiply
    48,662.76x = 72,974.85 × 16,633.86
  4. Step 4: Simplify right side
    48,662.76x = 1,213,853,438.42
  5. Step 5: Solve for x
    x = 1,213,853,438.42/48,662.76
  6. Step 6: Final answer
    x = 24,944.20

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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.