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Finding the Fourth Proportional to 17,164.24, 25,745.04 and 6,639.28

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Solution

The fourth proportional to 17,164.24, 25,745.04 and 6,639.28 is: 9,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,164.24 : 25,745.04 = 6,639.28 : x
  2. Step 2: Convert to fraction form
    17,164.24/25,745.04 = 6,639.28/x
  3. Step 3: Cross multiply
    17,164.24x = 25,745.04 × 6,639.28
  4. Step 4: Simplify right side
    17,164.24x = 170,928,529.17
  5. Step 5: Solve for x
    x = 170,928,529.17/17,164.24
  6. Step 6: Final answer
    x = 9,958.41

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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.