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Finding the Fourth Proportional to 16,651.72, 24,981.30 and 6,263.56

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Solution

The fourth proportional to 16,651.72, 24,981.30 and 6,263.56 is: 9,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.72 : 24,981.30 = 6,263.56 : x
  2. Step 2: Convert to fraction form
    16,651.72/24,981.30 = 6,263.56/x
  3. Step 3: Cross multiply
    16,651.72x = 24,981.30 × 6,263.56
  4. Step 4: Simplify right side
    16,651.72x = 156,471,871.43
  5. Step 5: Solve for x
    x = 156,471,871.43/16,651.72
  6. Step 6: Final answer
    x = 9,396.74

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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.