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Finding the Fourth Proportional to 9,662.78, 14,474.73 and 8,175.62

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Solution

The fourth proportional to 9,662.78, 14,474.73 and 8,175.62 is: 12,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662.78 : 14,474.73 = 8,175.62 : x
  2. Step 2: Convert to fraction form
    9,662.78/14,474.73 = 8,175.62/x
  3. Step 3: Cross multiply
    9,662.78x = 14,474.73 × 8,175.62
  4. Step 4: Simplify right side
    9,662.78x = 118,339,892.08
  5. Step 5: Solve for x
    x = 118,339,892.08/9,662.78
  6. Step 6: Final answer
    x = 12,246.98

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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.