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Finding the Fourth Proportional to 16,640.98, 24,961.50 and 6,245.44

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Solution

The fourth proportional to 16,640.98, 24,961.50 and 6,245.44 is: 9,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.98 : 24,961.50 = 6,245.44 : x
  2. Step 2: Convert to fraction form
    16,640.98/24,961.50 = 6,245.44/x
  3. Step 3: Cross multiply
    16,640.98x = 24,961.50 × 6,245.44
  4. Step 4: Simplify right side
    16,640.98x = 155,895,488.16
  5. Step 5: Solve for x
    x = 155,895,488.16/16,640.98
  6. Step 6: Final answer
    x = 9,368.17

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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.