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Finding the Fourth Proportional to 31,773.69, 43,849.52 and 19,202.49

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Solution

The fourth proportional to 31,773.69, 43,849.52 and 19,202.49 is: 26,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,773.69 : 43,849.52 = 19,202.49 : x
  2. Step 2: Convert to fraction form
    31,773.69/43,849.52 = 19,202.49/x
  3. Step 3: Cross multiply
    31,773.69x = 43,849.52 × 19,202.49
  4. Step 4: Simplify right side
    31,773.69x = 842,019,873.29
  5. Step 5: Solve for x
    x = 842,019,873.29/31,773.69
  6. Step 6: Final answer
    x = 26,500.54

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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.