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Finding the Fourth Proportional to 16,551.86, 24,765.80 and 9,863.88

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Solution

The fourth proportional to 16,551.86, 24,765.80 and 9,863.88 is: 14,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,551.86 : 24,765.80 = 9,863.88 : x
  2. Step 2: Convert to fraction form
    16,551.86/24,765.80 = 9,863.88/x
  3. Step 3: Cross multiply
    16,551.86x = 24,765.80 × 9,863.88
  4. Step 4: Simplify right side
    16,551.86x = 244,286,879.30
  5. Step 5: Solve for x
    x = 244,286,879.30/16,551.86
  6. Step 6: Final answer
    x = 14,758.88

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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.