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Finding the Fourth Proportional to 10,169.24, 14,023.69 and 7,930.30

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Solution

The fourth proportional to 10,169.24, 14,023.69 and 7,930.30 is: 10,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.24 : 14,023.69 = 7,930.30 : x
  2. Step 2: Convert to fraction form
    10,169.24/14,023.69 = 7,930.30/x
  3. Step 3: Cross multiply
    10,169.24x = 14,023.69 × 7,930.30
  4. Step 4: Simplify right side
    10,169.24x = 111,212,023.08
  5. Step 5: Solve for x
    x = 111,212,023.08/10,169.24
  6. Step 6: Final answer
    x = 10,936.12

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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.