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Finding the Fourth Proportional to 17,940.87, 26,874.21 and 10,522.98

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Solution

The fourth proportional to 17,940.87, 26,874.21 and 10,522.98 is: 15,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.87 : 26,874.21 = 10,522.98 : x
  2. Step 2: Convert to fraction form
    17,940.87/26,874.21 = 10,522.98/x
  3. Step 3: Cross multiply
    17,940.87x = 26,874.21 × 10,522.98
  4. Step 4: Simplify right side
    17,940.87x = 282,796,774.35
  5. Step 5: Solve for x
    x = 282,796,774.35/17,940.87
  6. Step 6: Final answer
    x = 15,762.71

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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.