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Finding the Fourth Proportional to 17,157.99, 25,745.19 and 9,667.52

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Solution

The fourth proportional to 17,157.99, 25,745.19 and 9,667.52 is: 14,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.99 : 25,745.19 = 9,667.52 : x
  2. Step 2: Convert to fraction form
    17,157.99/25,745.19 = 9,667.52/x
  3. Step 3: Cross multiply
    17,157.99x = 25,745.19 × 9,667.52
  4. Step 4: Simplify right side
    17,157.99x = 248,892,139.23
  5. Step 5: Solve for x
    x = 248,892,139.23/17,157.99
  6. Step 6: Final answer
    x = 14,505.90

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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.