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Finding the Fourth Proportional to 34,859.99, 48,107.08 and 18,944.43

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Solution

The fourth proportional to 34,859.99, 48,107.08 and 18,944.43 is: 26,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.99 : 48,107.08 = 18,944.43 : x
  2. Step 2: Convert to fraction form
    34,859.99/48,107.08 = 18,944.43/x
  3. Step 3: Cross multiply
    34,859.99x = 48,107.08 × 18,944.43
  4. Step 4: Simplify right side
    34,859.99x = 911,361,209.56
  5. Step 5: Solve for x
    x = 911,361,209.56/34,859.99
  6. Step 6: Final answer
    x = 26,143.48

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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.