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Finding the Fourth Proportional to 36,161.70, 48,662.78 and 36,161.70

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Solution

The fourth proportional to 36,161.70, 48,662.78 and 36,161.70 is: 48,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161.70 : 48,662.78 = 36,161.70 : x
  2. Step 2: Convert to fraction form
    36,161.70/48,662.78 = 36,161.70/x
  3. Step 3: Cross multiply
    36,161.70x = 48,662.78 × 36,161.70
  4. Step 4: Simplify right side
    36,161.70x = 1,759,728,670.72
  5. Step 5: Solve for x
    x = 1,759,728,670.72/36,161.70
  6. Step 6: Final answer
    x = 48,662.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.