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Finding the Fourth Proportional to 14,512.72, 20,027.16 and 8,225.68

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Solution

The fourth proportional to 14,512.72, 20,027.16 and 8,225.68 is: 11,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.72 : 20,027.16 = 8,225.68 : x
  2. Step 2: Convert to fraction form
    14,512.72/20,027.16 = 8,225.68/x
  3. Step 3: Cross multiply
    14,512.72x = 20,027.16 × 8,225.68
  4. Step 4: Simplify right side
    14,512.72x = 164,737,009.47
  5. Step 5: Solve for x
    x = 164,737,009.47/14,512.72
  6. Step 6: Final answer
    x = 11,351.22

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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.