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Finding the Fourth Proportional to 6,338.39, 8,736.49 and 4,763.75

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Solution

The fourth proportional to 6,338.39, 8,736.49 and 4,763.75 is: 6,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.39 : 8,736.49 = 4,763.75 : x
  2. Step 2: Convert to fraction form
    6,338.39/8,736.49 = 4,763.75/x
  3. Step 3: Cross multiply
    6,338.39x = 8,736.49 × 4,763.75
  4. Step 4: Simplify right side
    6,338.39x = 41,618,454.24
  5. Step 5: Solve for x
    x = 41,618,454.24/6,338.39
  6. Step 6: Final answer
    x = 6,566.09

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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.