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Finding the Fourth Proportional to 14,520.45, 20,044.43 and 12,293.97

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Solution

The fourth proportional to 14,520.45, 20,044.43 and 12,293.97 is: 16,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.45 : 20,044.43 = 12,293.97 : x
  2. Step 2: Convert to fraction form
    14,520.45/20,044.43 = 12,293.97/x
  3. Step 3: Cross multiply
    14,520.45x = 20,044.43 × 12,293.97
  4. Step 4: Simplify right side
    14,520.45x = 246,425,530.55
  5. Step 5: Solve for x
    x = 246,425,530.55/14,520.45
  6. Step 6: Final answer
    x = 16,970.92

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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.