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Finding the Fourth Proportional to 79,791.45, 110,110.70 and 43,493.24

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Solution

The fourth proportional to 79,791.45, 110,110.70 and 43,493.24 is: 60,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,791.45 : 110,110.70 = 43,493.24 : x
  2. Step 2: Convert to fraction form
    79,791.45/110,110.70 = 43,493.24/x
  3. Step 3: Cross multiply
    79,791.45x = 110,110.70 × 43,493.24
  4. Step 4: Simplify right side
    79,791.45x = 4,789,071,101.67
  5. Step 5: Solve for x
    x = 4,789,071,101.67/79,791.45
  6. Step 6: Final answer
    x = 60,019.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.