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Finding the Fourth Proportional to 27,408.60, 41,112.90 and 23,326.20

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Solution

The fourth proportional to 27,408.60, 41,112.90 and 23,326.20 is: 34,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,408.60 : 41,112.90 = 23,326.20 : x
  2. Step 2: Convert to fraction form
    27,408.60/41,112.90 = 23,326.20/x
  3. Step 3: Cross multiply
    27,408.60x = 41,112.90 × 23,326.20
  4. Step 4: Simplify right side
    27,408.60x = 959,007,727.98
  5. Step 5: Solve for x
    x = 959,007,727.98/27,408.60
  6. Step 6: Final answer
    x = 34,989.30

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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.