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Finding the Fourth Proportional to 14,825.99, 20,461.83 and 8,454.89

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Solution

The fourth proportional to 14,825.99, 20,461.83 and 8,454.89 is: 11,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.99 : 20,461.83 = 8,454.89 : x
  2. Step 2: Convert to fraction form
    14,825.99/20,461.83 = 8,454.89/x
  3. Step 3: Cross multiply
    14,825.99x = 20,461.83 × 8,454.89
  4. Step 4: Simplify right side
    14,825.99x = 173,002,521.85
  5. Step 5: Solve for x
    x = 173,002,521.85/14,825.99
  6. Step 6: Final answer
    x = 11,668.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.