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Finding the Fourth Proportional to 16,745.72, 23,109.09 and 10,458.09

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Solution

The fourth proportional to 16,745.72, 23,109.09 and 10,458.09 is: 14,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.72 : 23,109.09 = 10,458.09 : x
  2. Step 2: Convert to fraction form
    16,745.72/23,109.09 = 10,458.09/x
  3. Step 3: Cross multiply
    16,745.72x = 23,109.09 × 10,458.09
  4. Step 4: Simplify right side
    16,745.72x = 241,676,943.04
  5. Step 5: Solve for x
    x = 241,676,943.04/16,745.72
  6. Step 6: Final answer
    x = 14,432.17

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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.