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Finding the Fourth Proportional to 17,241.67, 25,865.07 and 8,477.20

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Solution

The fourth proportional to 17,241.67, 25,865.07 and 8,477.20 is: 12,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,241.67 : 25,865.07 = 8,477.20 : x
  2. Step 2: Convert to fraction form
    17,241.67/25,865.07 = 8,477.20/x
  3. Step 3: Cross multiply
    17,241.67x = 25,865.07 × 8,477.20
  4. Step 4: Simplify right side
    17,241.67x = 219,263,371.40
  5. Step 5: Solve for x
    x = 219,263,371.40/17,241.67
  6. Step 6: Final answer
    x = 12,717.06

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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.