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Finding the Fourth Proportional to 45,224.16, 67,737.60 and 27,640.68

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Solution

The fourth proportional to 45,224.16, 67,737.60 and 27,640.68 is: 41,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,224.16 : 67,737.60 = 27,640.68 : x
  2. Step 2: Convert to fraction form
    45,224.16/67,737.60 = 27,640.68/x
  3. Step 3: Cross multiply
    45,224.16x = 67,737.60 × 27,640.68
  4. Step 4: Simplify right side
    45,224.16x = 1,872,313,325.57
  5. Step 5: Solve for x
    x = 1,872,313,325.57/45,224.16
  6. Step 6: Final answer
    x = 41,400.73

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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.