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Finding the Fourth Proportional to 25,469.67, 38,208.69 and 7,935.96

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Solution

The fourth proportional to 25,469.67, 38,208.69 and 7,935.96 is: 11,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.67 : 38,208.69 = 7,935.96 : x
  2. Step 2: Convert to fraction form
    25,469.67/38,208.69 = 7,935.96/x
  3. Step 3: Cross multiply
    25,469.67x = 38,208.69 × 7,935.96
  4. Step 4: Simplify right side
    25,469.67x = 303,222,635.49
  5. Step 5: Solve for x
    x = 303,222,635.49/25,469.67
  6. Step 6: Final answer
    x = 11,905.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.