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Finding the Fourth Proportional to 4,857.52, 7,286.28 and 1,936.48

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Solution

The fourth proportional to 4,857.52, 7,286.28 and 1,936.48 is: 2,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.52 : 7,286.28 = 1,936.48 : x
  2. Step 2: Convert to fraction form
    4,857.52/7,286.28 = 1,936.48/x
  3. Step 3: Cross multiply
    4,857.52x = 7,286.28 × 1,936.48
  4. Step 4: Simplify right side
    4,857.52x = 14,109,735.49
  5. Step 5: Solve for x
    x = 14,109,735.49/4,857.52
  6. Step 6: Final answer
    x = 2,904.72

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Similar ratio
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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.