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Finding the Fourth Proportional to 41,605.50, 62,408.25 and 13,903.50

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Solution

The fourth proportional to 41,605.50, 62,408.25 and 13,903.50 is: 20,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,605.50 : 62,408.25 = 13,903.50 : x
  2. Step 2: Convert to fraction form
    41,605.50/62,408.25 = 13,903.50/x
  3. Step 3: Cross multiply
    41,605.50x = 62,408.25 × 13,903.50
  4. Step 4: Simplify right side
    41,605.50x = 867,693,103.88
  5. Step 5: Solve for x
    x = 867,693,103.88/41,605.50
  6. Step 6: Final answer
    x = 20,855.25

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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.