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Finding the Fourth Proportional to 16,617.42, 24,917.80 and 5,520.22

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Solution

The fourth proportional to 16,617.42, 24,917.80 and 5,520.22 is: 8,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,617.42 : 24,917.80 = 5,520.22 : x
  2. Step 2: Convert to fraction form
    16,617.42/24,917.80 = 5,520.22/x
  3. Step 3: Cross multiply
    16,617.42x = 24,917.80 × 5,520.22
  4. Step 4: Simplify right side
    16,617.42x = 137,551,585.73
  5. Step 5: Solve for x
    x = 137,551,585.73/16,617.42
  6. Step 6: Final answer
    x = 8,277.56

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1.5x scale

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.