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Finding the Fourth Proportional to 16,074, 22,182.60 and 9,361.96

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Solution

The fourth proportional to 16,074, 22,182.60 and 9,361.96 is: 12,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,074 : 22,182.60 = 9,361.96 : x
  2. Step 2: Convert to fraction form
    16,074/22,182.60 = 9,361.96/x
  3. Step 3: Cross multiply
    16,074x = 22,182.60 × 9,361.96
  4. Step 4: Simplify right side
    16,074x = 207,672,613.90
  5. Step 5: Solve for x
    x = 207,672,613.90/16,074
  6. Step 6: Final answer
    x = 12,919.78

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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.