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Finding the Fourth Proportional to 6,338.39, 8,747.12 and 3,505.95

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Solution

The fourth proportional to 6,338.39, 8,747.12 and 3,505.95 is: 4,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.39 : 8,747.12 = 3,505.95 : x
  2. Step 2: Convert to fraction form
    6,338.39/8,747.12 = 3,505.95/x
  3. Step 3: Cross multiply
    6,338.39x = 8,747.12 × 3,505.95
  4. Step 4: Simplify right side
    6,338.39x = 30,666,974.13
  5. Step 5: Solve for x
    x = 30,666,974.13/6,338.39
  6. Step 6: Final answer
    x = 4,838.29

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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.