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Finding the Fourth Proportional to 16,605.69, 24,911.99 and 7,835.82

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Solution

The fourth proportional to 16,605.69, 24,911.99 and 7,835.82 is: 11,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,605.69 : 24,911.99 = 7,835.82 : x
  2. Step 2: Convert to fraction form
    16,605.69/24,911.99 = 7,835.82/x
  3. Step 3: Cross multiply
    16,605.69x = 24,911.99 × 7,835.82
  4. Step 4: Simplify right side
    16,605.69x = 195,205,830.30
  5. Step 5: Solve for x
    x = 195,205,830.30/16,605.69
  6. Step 6: Final answer
    x = 11,755.36

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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.