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Finding the Fourth Proportional to 3,631.82, 5,007.20 and 2,353.42

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Solution

The fourth proportional to 3,631.82, 5,007.20 and 2,353.42 is: 3,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.82 : 5,007.20 = 2,353.42 : x
  2. Step 2: Convert to fraction form
    3,631.82/5,007.20 = 2,353.42/x
  3. Step 3: Cross multiply
    3,631.82x = 5,007.20 × 2,353.42
  4. Step 4: Simplify right side
    3,631.82x = 11,784,044.62
  5. Step 5: Solve for x
    x = 11,784,044.62/3,631.82
  6. Step 6: Final answer
    x = 3,244.67

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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.