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Finding the Fourth Proportional to 11,226.63, 16,768.86 and 8,735.51

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Solution

The fourth proportional to 11,226.63, 16,768.86 and 8,735.51 is: 13,047.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.63 : 16,768.86 = 8,735.51 : x
  2. Step 2: Convert to fraction form
    11,226.63/16,768.86 = 8,735.51/x
  3. Step 3: Cross multiply
    11,226.63x = 16,768.86 × 8,735.51
  4. Step 4: Simplify right side
    11,226.63x = 146,484,553.38
  5. Step 5: Solve for x
    x = 146,484,553.38/11,226.63
  6. Step 6: Final answer
    x = 13,047.95

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.