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Finding the Fourth Proportional to 4,923.91, 6,794.17 and 2,828.17

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Solution

The fourth proportional to 4,923.91, 6,794.17 and 2,828.17 is: 3,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.91 : 6,794.17 = 2,828.17 : x
  2. Step 2: Convert to fraction form
    4,923.91/6,794.17 = 2,828.17/x
  3. Step 3: Cross multiply
    4,923.91x = 6,794.17 × 2,828.17
  4. Step 4: Simplify right side
    4,923.91x = 19,215,067.77
  5. Step 5: Solve for x
    x = 19,215,067.77/4,923.91
  6. Step 6: Final answer
    x = 3,902.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.