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Finding the Fourth Proportional to 17,793.36, 26,694.90 and 7,412.40

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Solution

The fourth proportional to 17,793.36, 26,694.90 and 7,412.40 is: 11,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.36 : 26,694.90 = 7,412.40 : x
  2. Step 2: Convert to fraction form
    17,793.36/26,694.90 = 7,412.40/x
  3. Step 3: Cross multiply
    17,793.36x = 26,694.90 × 7,412.40
  4. Step 4: Simplify right side
    17,793.36x = 197,873,276.76
  5. Step 5: Solve for x
    x = 197,873,276.76/17,793.36
  6. Step 6: Final answer
    x = 11,120.62

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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.