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Finding the Fourth Proportional to 27,609.42, 41,408.34 and 8,891.16

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Solution

The fourth proportional to 27,609.42, 41,408.34 and 8,891.16 is: 13,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,609.42 : 41,408.34 = 8,891.16 : x
  2. Step 2: Convert to fraction form
    27,609.42/41,408.34 = 8,891.16/x
  3. Step 3: Cross multiply
    27,609.42x = 41,408.34 × 8,891.16
  4. Step 4: Simplify right side
    27,609.42x = 368,168,176.27
  5. Step 5: Solve for x
    x = 368,168,176.27/27,609.42
  6. Step 6: Final answer
    x = 13,334.88

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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.