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Finding the Fourth Proportional to 36,451.73, 54,677.60 and 8,749.73

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Solution

The fourth proportional to 36,451.73, 54,677.60 and 8,749.73 is: 13,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,451.73 : 54,677.60 = 8,749.73 : x
  2. Step 2: Convert to fraction form
    36,451.73/54,677.60 = 8,749.73/x
  3. Step 3: Cross multiply
    36,451.73x = 54,677.60 × 8,749.73
  4. Step 4: Simplify right side
    36,451.73x = 478,414,193.30
  5. Step 5: Solve for x
    x = 478,414,193.30/36,451.73
  6. Step 6: Final answer
    x = 13,124.60

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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.