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Finding the Fourth Proportional to 4,668.44, 7,007.22 and 3,639.64

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Solution

The fourth proportional to 4,668.44, 7,007.22 and 3,639.64 is: 5,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.44 : 7,007.22 = 3,639.64 : x
  2. Step 2: Convert to fraction form
    4,668.44/7,007.22 = 3,639.64/x
  3. Step 3: Cross multiply
    4,668.44x = 7,007.22 × 3,639.64
  4. Step 4: Simplify right side
    4,668.44x = 25,503,758.20
  5. Step 5: Solve for x
    x = 25,503,758.20/4,668.44
  6. Step 6: Final answer
    x = 5,463.02

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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.