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Finding the Fourth Proportional to 25,299.62, 37,942.81 and 7,525.50

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Solution

The fourth proportional to 25,299.62, 37,942.81 and 7,525.50 is: 11,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.62 : 37,942.81 = 7,525.50 : x
  2. Step 2: Convert to fraction form
    25,299.62/37,942.81 = 7,525.50/x
  3. Step 3: Cross multiply
    25,299.62x = 37,942.81 × 7,525.50
  4. Step 4: Simplify right side
    25,299.62x = 285,538,616.66
  5. Step 5: Solve for x
    x = 285,538,616.66/25,299.62
  6. Step 6: Final answer
    x = 11,286.28

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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.