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Finding the Fourth Proportional to 17,786.00, 26,693.96 and 8,898.66

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Solution

The fourth proportional to 17,786.00, 26,693.96 and 8,898.66 is: 13,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.00 : 26,693.96 = 8,898.66 : x
  2. Step 2: Convert to fraction form
    17,786.00/26,693.96 = 8,898.66/x
  3. Step 3: Cross multiply
    17,786.00x = 26,693.96 × 8,898.66
  4. Step 4: Simplify right side
    17,786.00x = 237,540,429.60
  5. Step 5: Solve for x
    x = 237,540,429.60/17,786.00
  6. Step 6: Final answer
    x = 13,355.48

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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.