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Finding the Fourth Proportional to 1,936.08, 2,904.18 and 475.24

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Solution

The fourth proportional to 1,936.08, 2,904.18 and 475.24 is: 712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.08 : 2,904.18 = 475.24 : x
  2. Step 2: Convert to fraction form
    1,936.08/2,904.18 = 475.24/x
  3. Step 3: Cross multiply
    1,936.08x = 2,904.18 × 475.24
  4. Step 4: Simplify right side
    1,936.08x = 1,380,182.50
  5. Step 5: Solve for x
    x = 1,380,182.50/1,936.08
  6. Step 6: Final answer
    x = 712.87

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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.