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Finding the Fourth Proportional to 36,686.62, 50,627.74 and 19,919.62

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Solution

The fourth proportional to 36,686.62, 50,627.74 and 19,919.62 is: 27,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.62 : 50,627.74 = 19,919.62 : x
  2. Step 2: Convert to fraction form
    36,686.62/50,627.74 = 19,919.62/x
  3. Step 3: Cross multiply
    36,686.62x = 50,627.74 × 19,919.62
  4. Step 4: Simplify right side
    36,686.62x = 1,008,485,116.09
  5. Step 5: Solve for x
    x = 1,008,485,116.09/36,686.62
  6. Step 6: Final answer
    x = 27,489.18

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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.