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Finding the Fourth Proportional to 6,235.72, 9,366.78 and 3,928.84

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Solution

The fourth proportional to 6,235.72, 9,366.78 and 3,928.84 is: 5,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,235.72 : 9,366.78 = 3,928.84 : x
  2. Step 2: Convert to fraction form
    6,235.72/9,366.78 = 3,928.84/x
  3. Step 3: Cross multiply
    6,235.72x = 9,366.78 × 3,928.84
  4. Step 4: Simplify right side
    6,235.72x = 36,800,579.94
  5. Step 5: Solve for x
    x = 36,800,579.94/6,235.72
  6. Step 6: Final answer
    x = 5,901.58

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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.