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Finding the Fourth Proportional to 17,008.40, 25,512.60 and 5,911.40

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Solution

The fourth proportional to 17,008.40, 25,512.60 and 5,911.40 is: 8,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.40 : 25,512.60 = 5,911.40 : x
  2. Step 2: Convert to fraction form
    17,008.40/25,512.60 = 5,911.40/x
  3. Step 3: Cross multiply
    17,008.40x = 25,512.60 × 5,911.40
  4. Step 4: Simplify right side
    17,008.40x = 150,815,183.64
  5. Step 5: Solve for x
    x = 150,815,183.64/17,008.40
  6. Step 6: Final answer
    x = 8,867.10

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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.