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Finding the Fourth Proportional to 16,620.62, 24,935.62 and 6,766.97

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Solution

The fourth proportional to 16,620.62, 24,935.62 and 6,766.97 is: 10,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.62 : 24,935.62 = 6,766.97 : x
  2. Step 2: Convert to fraction form
    16,620.62/24,935.62 = 6,766.97/x
  3. Step 3: Cross multiply
    16,620.62x = 24,935.62 × 6,766.97
  4. Step 4: Simplify right side
    16,620.62x = 168,738,513.21
  5. Step 5: Solve for x
    x = 168,738,513.21/16,620.62
  6. Step 6: Final answer
    x = 10,152.36

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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.