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Finding the Fourth Proportional to 36,684.64, 50,625.12 and 19,917.68

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Solution

The fourth proportional to 36,684.64, 50,625.12 and 19,917.68 is: 27,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,684.64 : 50,625.12 = 19,917.68 : x
  2. Step 2: Convert to fraction form
    36,684.64/50,625.12 = 19,917.68/x
  3. Step 3: Cross multiply
    36,684.64x = 50,625.12 × 19,917.68
  4. Step 4: Simplify right side
    36,684.64x = 1,008,334,940.12
  5. Step 5: Solve for x
    x = 1,008,334,940.12/36,684.64
  6. Step 6: Final answer
    x = 27,486.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.