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Finding the Fourth Proportional to 17,861.06, 26,762.07 and 6,167.78

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Solution

The fourth proportional to 17,861.06, 26,762.07 and 6,167.78 is: 9,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,861.06 : 26,762.07 = 6,167.78 : x
  2. Step 2: Convert to fraction form
    17,861.06/26,762.07 = 6,167.78/x
  3. Step 3: Cross multiply
    17,861.06x = 26,762.07 × 6,167.78
  4. Step 4: Simplify right side
    17,861.06x = 165,062,560.10
  5. Step 5: Solve for x
    x = 165,062,560.10/17,861.06
  6. Step 6: Final answer
    x = 9,241.48

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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.