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Finding the Fourth Proportional to 14,654.80, 21,949.80 and 12,062.80

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Solution

The fourth proportional to 14,654.80, 21,949.80 and 12,062.80 is: 18,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.80 : 21,949.80 = 12,062.80 : x
  2. Step 2: Convert to fraction form
    14,654.80/21,949.80 = 12,062.80/x
  3. Step 3: Cross multiply
    14,654.80x = 21,949.80 × 12,062.80
  4. Step 4: Simplify right side
    14,654.80x = 264,776,047.44
  5. Step 5: Solve for x
    x = 264,776,047.44/14,654.80
  6. Step 6: Final answer
    x = 18,067.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.