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Finding the Fourth Proportional to 41,963.12, 62,944.62 and 12,401.72

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Solution

The fourth proportional to 41,963.12, 62,944.62 and 12,401.72 is: 18,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,963.12 : 62,944.62 = 12,401.72 : x
  2. Step 2: Convert to fraction form
    41,963.12/62,944.62 = 12,401.72/x
  3. Step 3: Cross multiply
    41,963.12x = 62,944.62 × 12,401.72
  4. Step 4: Simplify right side
    41,963.12x = 780,621,552.75
  5. Step 5: Solve for x
    x = 780,621,552.75/41,963.12
  6. Step 6: Final answer
    x = 18,602.56

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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.