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Finding the Fourth Proportional to 17,271.67, 25,902.01 and 7,408.30

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Solution

The fourth proportional to 17,271.67, 25,902.01 and 7,408.30 is: 11,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.67 : 25,902.01 = 7,408.30 : x
  2. Step 2: Convert to fraction form
    17,271.67/25,902.01 = 7,408.30/x
  3. Step 3: Cross multiply
    17,271.67x = 25,902.01 × 7,408.30
  4. Step 4: Simplify right side
    17,271.67x = 191,889,860.68
  5. Step 5: Solve for x
    x = 191,889,860.68/17,271.67
  6. Step 6: Final answer
    x = 11,110.09

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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.