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Finding the Fourth Proportional to 41,605.40, 62,408.10 and 13,903.40

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Solution

The fourth proportional to 41,605.40, 62,408.10 and 13,903.40 is: 20,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,605.40 : 62,408.10 = 13,903.40 : x
  2. Step 2: Convert to fraction form
    41,605.40/62,408.10 = 13,903.40/x
  3. Step 3: Cross multiply
    41,605.40x = 62,408.10 × 13,903.40
  4. Step 4: Simplify right side
    41,605.40x = 867,684,777.54
  5. Step 5: Solve for x
    x = 867,684,777.54/41,605.40
  6. Step 6: Final answer
    x = 20,855.10

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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.