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Finding the Fourth Proportional to 7,695, 11,544.39 and 2,500.92

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Solution

The fourth proportional to 7,695, 11,544.39 and 2,500.92 is: 3,751.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695 : 11,544.39 = 2,500.92 : x
  2. Step 2: Convert to fraction form
    7,695/11,544.39 = 2,500.92/x
  3. Step 3: Cross multiply
    7,695x = 11,544.39 × 2,500.92
  4. Step 4: Simplify right side
    7,695x = 28,871,595.84
  5. Step 5: Solve for x
    x = 28,871,595.84/7,695
  6. Step 6: Final answer
    x = 3,751.99

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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.