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Finding the Fourth Proportional to 44,493.83, 66,739.96 and 11,213.15

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Solution

The fourth proportional to 44,493.83, 66,739.96 and 11,213.15 is: 16,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,493.83 : 66,739.96 = 11,213.15 : x
  2. Step 2: Convert to fraction form
    44,493.83/66,739.96 = 11,213.15/x
  3. Step 3: Cross multiply
    44,493.83x = 66,739.96 × 11,213.15
  4. Step 4: Simplify right side
    44,493.83x = 748,365,182.47
  5. Step 5: Solve for x
    x = 748,365,182.47/44,493.83
  6. Step 6: Final answer
    x = 16,819.53

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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.