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Finding the Fourth Proportional to 6,235.27, 8,603.89 and 3,813.84

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Solution

The fourth proportional to 6,235.27, 8,603.89 and 3,813.84 is: 5,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.27 : 8,603.89 = 3,813.84 : x
  2. Step 2: Convert to fraction form
    6,235.27/8,603.89 = 3,813.84/x
  3. Step 3: Cross multiply
    6,235.27x = 8,603.89 × 3,813.84
  4. Step 4: Simplify right side
    6,235.27x = 32,813,850.30
  5. Step 5: Solve for x
    x = 32,813,850.30/6,235.27
  6. Step 6: Final answer
    x = 5,262.62

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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.