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Finding the Fourth Proportional to 31,910.99, 44,049.21 and 25,087.21

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Solution

The fourth proportional to 31,910.99, 44,049.21 and 25,087.21 is: 34,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,910.99 : 44,049.21 = 25,087.21 : x
  2. Step 2: Convert to fraction form
    31,910.99/44,049.21 = 25,087.21/x
  3. Step 3: Cross multiply
    31,910.99x = 44,049.21 × 25,087.21
  4. Step 4: Simplify right side
    31,910.99x = 1,105,071,781.60
  5. Step 5: Solve for x
    x = 1,105,071,781.60/31,910.99
  6. Step 6: Final answer
    x = 34,629.82

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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.