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Finding the Fourth Proportional to 14,604.44, 20,156.65 and 14,118.44

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Solution

The fourth proportional to 14,604.44, 20,156.65 and 14,118.44 is: 19,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.44 : 20,156.65 = 14,118.44 : x
  2. Step 2: Convert to fraction form
    14,604.44/20,156.65 = 14,118.44/x
  3. Step 3: Cross multiply
    14,604.44x = 20,156.65 × 14,118.44
  4. Step 4: Simplify right side
    14,604.44x = 284,580,317.55
  5. Step 5: Solve for x
    x = 284,580,317.55/14,604.44
  6. Step 6: Final answer
    x = 19,485.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.