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Finding the Fourth Proportional to 7,662.54, 11,487.96 and 3,962.41

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Solution

The fourth proportional to 7,662.54, 11,487.96 and 3,962.41 is: 5,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.54 : 11,487.96 = 3,962.41 : x
  2. Step 2: Convert to fraction form
    7,662.54/11,487.96 = 3,962.41/x
  3. Step 3: Cross multiply
    7,662.54x = 11,487.96 × 3,962.41
  4. Step 4: Simplify right side
    7,662.54x = 45,519,950.14
  5. Step 5: Solve for x
    x = 45,519,950.14/7,662.54
  6. Step 6: Final answer
    x = 5,940.58

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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.