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Finding the Fourth Proportional to 44,906.37, 67,369.44 and 13,318.90

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Solution

The fourth proportional to 44,906.37, 67,369.44 and 13,318.90 is: 19,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,906.37 : 67,369.44 = 13,318.90 : x
  2. Step 2: Convert to fraction form
    44,906.37/67,369.44 = 13,318.90/x
  3. Step 3: Cross multiply
    44,906.37x = 67,369.44 × 13,318.90
  4. Step 4: Simplify right side
    44,906.37x = 897,286,968.57
  5. Step 5: Solve for x
    x = 897,286,968.57/44,906.37
  6. Step 6: Final answer
    x = 19,981.28

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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.