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Finding the Fourth Proportional to 36,424, 54,648.96 and 17,968.96

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Solution

The fourth proportional to 36,424, 54,648.96 and 17,968.96 is: 26,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,424 : 54,648.96 = 17,968.96 : x
  2. Step 2: Convert to fraction form
    36,424/54,648.96 = 17,968.96/x
  3. Step 3: Cross multiply
    36,424x = 54,648.96 × 17,968.96
  4. Step 4: Simplify right side
    36,424x = 981,984,976.28
  5. Step 5: Solve for x
    x = 981,984,976.28/36,424
  6. Step 6: Final answer
    x = 26,959.83

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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.