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Finding the Fourth Proportional to 36,412.80, 54,580.31 and 25,992.96

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Solution

The fourth proportional to 36,412.80, 54,580.31 and 25,992.96 is: 38,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,412.80 : 54,580.31 = 25,992.96 : x
  2. Step 2: Convert to fraction form
    36,412.80/54,580.31 = 25,992.96/x
  3. Step 3: Cross multiply
    36,412.80x = 54,580.31 × 25,992.96
  4. Step 4: Simplify right side
    36,412.80x = 1,418,703,814.62
  5. Step 5: Solve for x
    x = 1,418,703,814.62/36,412.80
  6. Step 6: Final answer
    x = 38,961.68

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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.