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Finding the Fourth Proportional to 17,940.96, 26,909.16 and 4,794.24

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Solution

The fourth proportional to 17,940.96, 26,909.16 and 4,794.24 is: 7,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.96 : 26,909.16 = 4,794.24 : x
  2. Step 2: Convert to fraction form
    17,940.96/26,909.16 = 4,794.24/x
  3. Step 3: Cross multiply
    17,940.96x = 26,909.16 × 4,794.24
  4. Step 4: Simplify right side
    17,940.96x = 129,008,971.24
  5. Step 5: Solve for x
    x = 129,008,971.24/17,940.96
  6. Step 6: Final answer
    x = 7,190.75

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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.