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Finding the Fourth Proportional to 29,495.20, 40,704.06 and 16,067.20

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Solution

The fourth proportional to 29,495.20, 40,704.06 and 16,067.20 is: 22,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,495.20 : 40,704.06 = 16,067.20 : x
  2. Step 2: Convert to fraction form
    29,495.20/40,704.06 = 16,067.20/x
  3. Step 3: Cross multiply
    29,495.20x = 40,704.06 × 16,067.20
  4. Step 4: Simplify right side
    29,495.20x = 654,000,272.83
  5. Step 5: Solve for x
    x = 654,000,272.83/29,495.20
  6. Step 6: Final answer
    x = 22,173.11

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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.