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Finding the Fourth Proportional to 36,412.96, 54,627.25 and 20,625.46

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Solution

The fourth proportional to 36,412.96, 54,627.25 and 20,625.46 is: 30,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,412.96 : 54,627.25 = 20,625.46 : x
  2. Step 2: Convert to fraction form
    36,412.96/54,627.25 = 20,625.46/x
  3. Step 3: Cross multiply
    36,412.96x = 54,627.25 × 20,625.46
  4. Step 4: Simplify right side
    36,412.96x = 1,126,711,783.52
  5. Step 5: Solve for x
    x = 1,126,711,783.52/36,412.96
  6. Step 6: Final answer
    x = 30,942.60

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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.