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Finding the Fourth Proportional to 12,241.92, 18,362.86 and 3,476.92

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Solution

The fourth proportional to 12,241.92, 18,362.86 and 3,476.92 is: 5,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.92 : 18,362.86 = 3,476.92 : x
  2. Step 2: Convert to fraction form
    12,241.92/18,362.86 = 3,476.92/x
  3. Step 3: Cross multiply
    12,241.92x = 18,362.86 × 3,476.92
  4. Step 4: Simplify right side
    12,241.92x = 63,846,195.19
  5. Step 5: Solve for x
    x = 63,846,195.19/12,241.92
  6. Step 6: Final answer
    x = 5,215.37

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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.