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Finding the Fourth Proportional to 4,863.62, 7,296.49 and 1,576.64

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Solution

The fourth proportional to 4,863.62, 7,296.49 and 1,576.64 is: 2,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.62 : 7,296.49 = 1,576.64 : x
  2. Step 2: Convert to fraction form
    4,863.62/7,296.49 = 1,576.64/x
  3. Step 3: Cross multiply
    4,863.62x = 7,296.49 × 1,576.64
  4. Step 4: Simplify right side
    4,863.62x = 11,503,937.99
  5. Step 5: Solve for x
    x = 11,503,937.99/4,863.62
  6. Step 6: Final answer
    x = 2,365.30

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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.