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Finding the Fourth Proportional to 4,786.92, 7,168.71 and 3,393.63

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Solution

The fourth proportional to 4,786.92, 7,168.71 and 3,393.63 is: 5,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.92 : 7,168.71 = 3,393.63 : x
  2. Step 2: Convert to fraction form
    4,786.92/7,168.71 = 3,393.63/x
  3. Step 3: Cross multiply
    4,786.92x = 7,168.71 × 3,393.63
  4. Step 4: Simplify right side
    4,786.92x = 24,327,949.32
  5. Step 5: Solve for x
    x = 24,327,949.32/4,786.92
  6. Step 6: Final answer
    x = 5,082.17

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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.