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Finding the Fourth Proportional to 30,550.44, 45,832.80 and 9,489.41

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Solution

The fourth proportional to 30,550.44, 45,832.80 and 9,489.41 is: 14,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550.44 : 45,832.80 = 9,489.41 : x
  2. Step 2: Convert to fraction form
    30,550.44/45,832.80 = 9,489.41/x
  3. Step 3: Cross multiply
    30,550.44x = 45,832.80 × 9,489.41
  4. Step 4: Simplify right side
    30,550.44x = 434,926,001.48
  5. Step 5: Solve for x
    x = 434,926,001.48/30,550.44
  6. Step 6: Final answer
    x = 14,236.33

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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.