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Finding the Fourth Proportional to 17,126.28, 25,675.44 and 7,631.64

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Solution

The fourth proportional to 17,126.28, 25,675.44 and 7,631.64 is: 11,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.28 : 25,675.44 = 7,631.64 : x
  2. Step 2: Convert to fraction form
    17,126.28/25,675.44 = 7,631.64/x
  3. Step 3: Cross multiply
    17,126.28x = 25,675.44 × 7,631.64
  4. Step 4: Simplify right side
    17,126.28x = 195,945,714.92
  5. Step 5: Solve for x
    x = 195,945,714.92/17,126.28
  6. Step 6: Final answer
    x = 11,441.23

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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.