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Finding the Fourth Proportional to 17,309.88, 25,940.52 and 7,441.74

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Solution

The fourth proportional to 17,309.88, 25,940.52 and 7,441.74 is: 11,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,309.88 : 25,940.52 = 7,441.74 : x
  2. Step 2: Convert to fraction form
    17,309.88/25,940.52 = 7,441.74/x
  3. Step 3: Cross multiply
    17,309.88x = 25,940.52 × 7,441.74
  4. Step 4: Simplify right side
    17,309.88x = 193,042,605.30
  5. Step 5: Solve for x
    x = 193,042,605.30/17,309.88
  6. Step 6: Final answer
    x = 11,152.16

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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.