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Finding the Fourth Proportional to 8,662.26, 12,972.42 and 7,022.04

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Solution

The fourth proportional to 8,662.26, 12,972.42 and 7,022.04 is: 10,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662.26 : 12,972.42 = 7,022.04 : x
  2. Step 2: Convert to fraction form
    8,662.26/12,972.42 = 7,022.04/x
  3. Step 3: Cross multiply
    8,662.26x = 12,972.42 × 7,022.04
  4. Step 4: Simplify right side
    8,662.26x = 91,092,852.14
  5. Step 5: Solve for x
    x = 91,092,852.14/8,662.26
  6. Step 6: Final answer
    x = 10,516.06

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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.