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Finding the Fourth Proportional to 29,331.60, 43,997.40 and 9,605.40

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Solution

The fourth proportional to 29,331.60, 43,997.40 and 9,605.40 is: 14,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,331.60 : 43,997.40 = 9,605.40 : x
  2. Step 2: Convert to fraction form
    29,331.60/43,997.40 = 9,605.40/x
  3. Step 3: Cross multiply
    29,331.60x = 43,997.40 × 9,605.40
  4. Step 4: Simplify right side
    29,331.60x = 422,612,625.96
  5. Step 5: Solve for x
    x = 422,612,625.96/29,331.60
  6. Step 6: Final answer
    x = 14,408.10

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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.