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Finding the Fourth Proportional to 3,286.04, 4,928.32 and 946.04

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Solution

The fourth proportional to 3,286.04, 4,928.32 and 946.04 is: 1,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.04 : 4,928.32 = 946.04 : x
  2. Step 2: Convert to fraction form
    3,286.04/4,928.32 = 946.04/x
  3. Step 3: Cross multiply
    3,286.04x = 4,928.32 × 946.04
  4. Step 4: Simplify right side
    3,286.04x = 4,662,387.85
  5. Step 5: Solve for x
    x = 4,662,387.85/3,286.04
  6. Step 6: Final answer
    x = 1,418.85

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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.