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Finding the Fourth Proportional to 30,243.59, 41,734.97 and 16,813.87

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Solution

The fourth proportional to 30,243.59, 41,734.97 and 16,813.87 is: 23,202.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.59 : 41,734.97 = 16,813.87 : x
  2. Step 2: Convert to fraction form
    30,243.59/41,734.97 = 16,813.87/x
  3. Step 3: Cross multiply
    30,243.59x = 41,734.97 × 16,813.87
  4. Step 4: Simplify right side
    30,243.59x = 701,726,399.35
  5. Step 5: Solve for x
    x = 701,726,399.35/30,243.59
  6. Step 6: Final answer
    x = 23,202.48

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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.