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Finding the Fourth Proportional to 27,408.70, 41,113.05 and 9,872.20

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Solution

The fourth proportional to 27,408.70, 41,113.05 and 9,872.20 is: 14,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.70 : 41,113.05 = 9,872.20 : x
  2. Step 2: Convert to fraction form
    27,408.70/41,113.05 = 9,872.20/x
  3. Step 3: Cross multiply
    27,408.70x = 41,113.05 × 9,872.20
  4. Step 4: Simplify right side
    27,408.70x = 405,876,252.21
  5. Step 5: Solve for x
    x = 405,876,252.21/27,408.70
  6. Step 6: Final answer
    x = 14,808.30

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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.