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Finding the Fourth Proportional to 27,261.98, 40,871.10 and 15,408.44

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Solution

The fourth proportional to 27,261.98, 40,871.10 and 15,408.44 is: 23,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.98 : 40,871.10 = 15,408.44 : x
  2. Step 2: Convert to fraction form
    27,261.98/40,871.10 = 15,408.44/x
  3. Step 3: Cross multiply
    27,261.98x = 40,871.10 × 15,408.44
  4. Step 4: Simplify right side
    27,261.98x = 629,759,892.08
  5. Step 5: Solve for x
    x = 629,759,892.08/27,261.98
  6. Step 6: Final answer
    x = 23,100.30

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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.